ICSE X Chemistry MCQ Question Answer | ICSE X | Learn & Give Online MCQS Test ,MCQs: multiple choice questions and answers,Mock Tests and Practice Papers

Question:

 In the formation of CD by bonding between C and D. Which is oxidised ?

1.C

2.D

3.Both 1 and 2

4.None of these

Question:

A compound consists of non-polar molecules only, which of the following is true regarding it:

1. It forms ionic bond

2.It has high m.p.

3.It is soluble in organic solvents

4.It is a conductor of electricity.

Question:

An element having atomic number 17 and belongs to halogens is____________.

1.Li

2.F

3.K

4.CI

Question:

Due to the presence of strong electrostatic fors of attraction between ions, jonic comp0unds

1.Have high melting and boiling points.

2.Conduct electricity in solid state

3.Dissolve in kerosene

4.All of these

Question:

Halogen are:

1.Strong oxidising agent

2.Weak reducing agent

3.Strong reducing agent

4.Weak reducing agent

Question:

How many electrons are required by oxygen atom to attain nearest noble gas configuration ?

1.1

2.2

3.3

4.4

Question:

If electrons are added to an atom, it is :

1.Oxidised

2.Reduced

3.Both 1 and 2

4.None of these

Question:

If relative molecular mass of a gas is 38, what will be its vapour density ?

1.76

2.19

3.40

4.Zero

Question:

If two compounds have the same empirical formula but different molecular formula, they must have:

1.Different percentage composition.

2.Different molecular weights,

3.Same viscosity.

4.Same vapour density.

Question:

If we are given two test tubes marked A and B. In first test tube, NH,OH solution is taken and in other
NaOH solution is taken. Which salt is used to identify them?

1.Zinc salt

2.Iron salt

3.Calcium salt

4.Copper salt

Question:

In which of the following molecule double bond is present ?

1.Nitrogen

2.Oxygen

3.Fluorine

4.Neon

Question:

NaCl conducts electricity due to the presence of:

1.Molecules

2.lons

3.Group of atoms

4.All of these

Question:

On adding ammonia hydroxide solution to a solution of a salt, a dirty green precipitate appears. This
precipitate, however, remains insoluble on addition of an excess of ammonia solution. Which metal
solution is present ?

1.Na

2.Zn

3.Fe

4.Al

Question:

Salts of which elements are generally coloured:

1.Transition

2.Normal

3.Lanthanides

4.Inner-transition

Question:

The cell which converts electrical energy to chemical energy is____________

1.Electrochemical cell

2. Electrolytic cell

3.Electrodes

4.Secondary cell

Question:

The electrode connected to positive terminal of the battery is called________.

1.Cathode

2.Anode

3.Electrode

4. None of these

Question:

The element with lowest ionization energy among the following is:

1.Li

2.N

3.K

4.Rb

Question:

The empirical formula of a compound is CH and its molecular mass is 78, its molecular formula is

1.CH

2.CHs

3.CH

4.CH

Question:

Two solutions A , B and C having pH 2, 9 and 11. Which solution will give no colour with
Phenolphthalein indicator?

1.A

2.B

3.C

4.None of these

Question:

What do you observe when caustic soda solution is added to the following solution: first a little and
then in excess in copper sulphate ?

1.A pale blue ppt. of copper (II) hydroxide is obtained which is insoluble in excess of caustic soda solution.

2.A pale blue ppt. of copper (II) hydroxide is obtained which is soluble in excess of caustic soda solution

3.Awhite ppt. of copper (II) hydroxide is obtained which is insoluble in excess of caustic soda solution.

4.A white ppt. of copper (II) hydroxide is obtained which is soluble in excess of caustic soda solution

Question:

What is the colour of NaOH in Phenolphthalein?

1.Red

2.Blue

3.Green

4.Pink

Question:

What is the empirical formula of a compound containing 60.0% of nitrogen and 40.0% of Oxygen by mass?

1.NO

2.NO2

3.NO

4.N2O

Question:

What is the value of n if molecular mass is 348 and empirical formula of compound is CHO?

1.2

2.6

3.9

4.10

Question:

What will be the colour of salt formed when NaOH is treated with aluminium oxide ?

1.Green

2.White

3.Brown

4.Red

Question:

What will be the general formula when B and D react?

1.BD2

2.BD

3.BD2

4.BD4

Question:

When two compounds R and S have same percentage composition. Then the compounds R and 5 are:

1.identical

2.isomer

3.either identical or isomer

4.all are correct

Question:

Which acid is used in eyewash ?

1.Citric acid

2.Tartaric acid

3.Acetic acid

4.Boric acid

Question:

Which is the most reactive halogen among the following ?

1.Fluorine

2.Chlorine

3.Iodine

4.Bromine

Question:

Which of the following can be extracted by reducing agents like Carbon, carbon monoxide etc ?

1.K

2.Zn

3.Mg

4.Au

Question:

Which of the following is a non-electrolyte?

1.HCI

2.Acetic acid

3.Kerosene

4.NaCl

Question:

Which of the following is a weak electrolyte ?

1.HCI

2.Nitric acid

3.Oxalic acid

4.Sulphuric acid

Question:

Which of the following is correct statement ?

1.Sodium is smaller in size than lithium.

2.Chlorine has more electron affinity than sulphur

3.Calcium has higher value of ionisation potential than magnesium

4.Alkali metals are not lustrous.

Question:

Which of the following is obtained at anode during the electrolysis of lead bromide ?

1.Pb

2.Br

3.Both 1 and 2

4.None of these

Question:

Which of the following is true for alkali metals ?

1.Strong Oxidising agent

2.Weak reducing agent

3. Strong reducing agent

4.Weak oxidising agent

Question:

Which of the following is true for alkali metals?

1.Strong oxidising agent

2.Weak reducing agent

3.Strong reducing agent

4.Weak oxidising agent

Question:

Which of the following is used in the manufactures of bleaching powder and in softening of hard
water?

1.NaOH

2.Ca(OH)

3.KOH

4.Mg(OH);

Question:

Which one is getting reduced during the formation of AD?

1.A

2.D

3.Both 1 and 2

4.None of these

Question:

Which one of the following salt solutions on reaction with excess of ammonium hydroxide solution
gives a deep blue solution ?

1.FeCl(aq)

2.CuSO(aq)

3.AlSOsl(aq)

4. ZnSOA(aq)

Question:

Which type of bond will be formed when A and D react?

1. lonic bond

2.Covalent bond

3.Coordinate bond

4. None of these

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ICSE X/ICSE X Chemistry MCQ Question Answer Sample Test,Sample questions

Question: In the formation of CD by bonding between C and D. Which is oxidised ?

Question: A compound consists of non-polar molecules only, which of the following is true regarding it:

Question: An element having atomic number 17 and belongs to halogens is____________.

Question: Due to the presence of strong electrostatic fors of attraction between ions, jonic comp0unds

Question: Halogen are:

Question: How many electrons are required by oxygen atom to attain nearest noble gas configuration ?

Question: If electrons are added to an atom, it is :

Question: If relative molecular mass of a gas is 38, what will be its vapour density ?

Question: If two compounds have the same empirical formula but different molecular formula, they must have:

Question: If we are given two test tubes marked A and B. In first test tube, NH,OH solution is taken and in other NaOH solution is taken. Which salt is used to identify them?

Question: In which of the following molecule double bond is present ?

Question: NaCl conducts electricity due to the presence of:

Question: On adding ammonia hydroxide solution to a solution of a salt, a dirty green precipitate appears. This precipitate, however, remains insoluble on addition of an excess of ammonia solution. Which metal solution is present ?

Question: Salts of which elements are generally coloured:

Question: The cell which converts electrical energy to chemical energy is____________

Question: The electrode connected to positive terminal of the battery is called________.

Question: The element with lowest ionization energy among the following is:

Question: The empirical formula of a compound is CH and its molecular mass is 78, its molecular formula is

Question: Two solutions A , B and C having pH 2, 9 and 11. Which solution will give no colour with Phenolphthalein indicator?

Question: What do you observe when caustic soda solution is added to the following solution: first a little and then in excess in copper sulphate ?

Question: What is the colour of NaOH in Phenolphthalein?

Question: What is the empirical formula of a compound containing 60.0% of nitrogen and 40.0% of Oxygen by mass?

Question: What is the value of n if molecular mass is 348 and empirical formula of compound is CHO?

Question: What will be the colour of salt formed when NaOH is treated with aluminium oxide ?

Question: What will be the general formula when B and D react?

Question: When two compounds R and S have same percentage composition. Then the compounds R and 5 are:

Question: Which acid is used in eyewash ?

Question: Which is the most reactive halogen among the following ?

Question: Which of the following can be extracted by reducing agents like Carbon, carbon monoxide etc ?

Question: Which of the following is a non-electrolyte?

Question: Which of the following is a weak electrolyte ?

Question: Which of the following is correct statement ?

Question: Which of the following is obtained at anode during the electrolysis of lead bromide ?

Question: Which of the following is true for alkali metals ?

Question: Which of the following is true for alkali metals?

Question: Which of the following is used in the manufactures of bleaching powder and in softening of hard water?

Question: Which one is getting reduced during the formation of AD?

Question: Which one of the following salt solutions on reaction with excess of ammonium hydroxide solution gives a deep blue solution ?

Question: Which type of bond will be formed when A and D react?

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Question:
In the formation of CD by bonding between C and D. Which is oxidised ?

Question:
A compound consists of non-polar molecules only, which of the following is true regarding it:

Question:
An element having atomic number 17 and belongs to halogens is____________.

Question:
Due to the presence of strong electrostatic fors of attraction between ions, jonic comp0unds

Question:
Halogen are:

Question:
How many electrons are required by oxygen atom to attain nearest noble gas configuration ?

Question:
If electrons are added to an atom, it is :

Question:
If relative molecular mass of a gas is 38, what will be its vapour density ?

Question:
If two compounds have the same empirical formula but different molecular formula, they must have:

Question:
If we are given two test tubes marked A and B. In first test tube, NH,OH solution is taken and in other NaOH solution is taken. Which salt is used to identify them?

Question:
In which of the following molecule double bond is present ?

Question:
NaCl conducts electricity due to the presence of:

Question:
On adding ammonia hydroxide solution to a solution of a salt, a dirty green precipitate appears. This precipitate, however, remains insoluble on addition of an excess of ammonia solution. Which metal solution is present ?

Question:
Salts of which elements are generally coloured:

Question:
The cell which converts electrical energy to chemical energy is____________

Question:
The electrode connected to positive terminal of the battery is called________.

Question:
The element with lowest ionization energy among the following is:

Question:
The empirical formula of a compound is CH and its molecular mass is 78, its molecular formula is

Question:
Two solutions A , B and C having pH 2, 9 and 11. Which solution will give no colour with Phenolphthalein indicator?

Question:
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess in copper sulphate ?

Question:
What is the colour of NaOH in Phenolphthalein?

Question:
What is the empirical formula of a compound containing 60.0% of nitrogen and 40.0% of Oxygen by mass?

Question:
What is the value of n if molecular mass is 348 and empirical formula of compound is CHO?

Question:
What will be the colour of salt formed when NaOH is treated with aluminium oxide ?

Question:
What will be the general formula when B and D react?

Question:
When two compounds R and S have same percentage composition. Then the compounds R and 5 are:

Question:
Which acid is used in eyewash ?

Question:
Which is the most reactive halogen among the following ?

Question:
Which of the following can be extracted by reducing agents like Carbon, carbon monoxide etc ?

Question:
Which of the following is a non-electrolyte?

Question:
Which of the following is a weak electrolyte ?

Question:
Which of the following is correct statement ?

Question:
Which of the following is obtained at anode during the electrolysis of lead bromide ?

Question:
Which of the following is true for alkali metals ?

Question:
Which of the following is true for alkali metals?

Question:
Which of the following is used in the manufactures of bleaching powder and in softening of hard water?

Question:
Which one is getting reduced during the formation of AD?

Question:
Which one of the following salt solutions on reaction with excess of ammonium hydroxide solution gives a deep blue solution ?

Question:
Which type of bond will be formed when A and D react?