Chemistry/Chemistry MCQs Sample Test,Sample questions

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Question: 
A brisk effervesce occurs, when nitric acid is added to egg shell. This is because egg shell comprises__?

1.Sodium Carbonate

2.Calcium Carbonate

3.Calcium Hydroxide

4.Magnesium Sulphate

Question: 
A rainy day, as defined by the Indian Meteorological department, is a day when the rainfall at a point received is of which of the following categories?

1.0.5 mm to 1 mm in 24 hours

2. 1.1 mm to 1.5 mm in 24 hours

3. 1.6 mm to 2 mm in 24 hours

4.above 2.5 mm in 24 hours

Question: 
Bauxite is an alloy of which of the following metals?

1.Aluminium

2.Silver

3.Tin

4.Iron

Question: 
Brass is an alloy of which of the following metals?

1.Copper and Tin

2.Copper and Zinc

3. Lead and Tin

4. Zinc and Nickel

Question: 
Cement is made hard with:

1.Dehydration

2.Hydration and dissociation of water

3.Dissociation of water

4.Polymerisation

Question: 
Chewing gum is made from which of the following?

1.Resin

2.Polystyrene

3.Polyvinyl acetate

4.Latex

Question: 
Chlorine gas is a major component of which of the following?

1.Water

2.Tear gas

3. Liquefied Petroleum Gas

4.Gobar gas

Question: 
Choose the incorrect statement pertaining to organic compounds:

1. They have low melting and boiling points

2.They do not dissolve in water

3.They are not easily combustible

4.They contain mainly carbon and hydrogen

Question: 
Cream gets separated out of milk when it is churned due to which of the following reasons?

1.Gravitational pull

2.Centripetal force

3.Centrifugal force

4.Frictional force

Question: 
Dalton’s name is associated with which of the following terms?

1.Electron

2.Proton

3.Atom

4.Neutron

Question: 
How are the soaps that float in water prepared?

1.By adding a gum called as rosin

2.By beating tiny air bubbles

3.By dissolving soap in ethanol

4.None of the above

Question: 
How many hydrogen atoms are present in chloropropane?

1. 5

2. 7

3.9

4.3

Question: 
In which of the following cases, components can be separated using a separating funnel?

1. Mixture of acetone and water

2.Mixture of oil and water

3. Different gases in the air

4. None of the above

Question: 
Interveinal necrotic spots on leaves appear due to:

1.HF injury

2. SO2 injury

3.NO2 injury

4.O3 injury

Question: 
Quartz is made of:

1.Calcium Sulphate

2.Calcium Silicate

3.Sodium Sulphate

4.Sodium Silicate

Question: 
The liquid waste from kitchens and baths, of residences is known as:

1.Domestic sewage

2.Storm water

3.Sullage

4.Refuse

Question: 
The main source of carbon monoxide is:

1.Industrial process

2.Fuel combustion

3.Transportation

4.Solid waste disposal

Question: 
Trimethylxanthine is a chemical name of a stimulant which is found in tea and coffee. What is the popular name?

1.Thein

2.Caffeine

3.Theobromine

4.Theophylline

Question: 
What is the colour of ozone molecule?

1.Blue

2.White

3.Yellow

4.Green

Question: 
What is the colour of Rhombic sulphur?

1.Red

2.Yellow

3.Black

4.Colorless

Question: 
What is the name of the acid in an ant’s sting?

1.Formic acid

2.Citric acid

3.Lactic acid

4.Acetic acid

Question: 
What is the process of rust forming on iron called?

1.Crystallisation

2.Spade

3.Rusting

4.Shovel

Question: 
When Sulphur is heated with rubber, the process is commonly known as ?

1.Galvanization

2.Sulphonation

3.Vulcanization

4.Hydrodesulfurization

Question: 
Which among the following kinds of glass is used generally in making of the Bullet proof screens?

1. Pyrex glass

2.Jena glass

3.Reinforced Glass

4. Flint Glass

Question: 
Which among the following Oil Refineries is located near the oil field?

1.Mathura

2.Barauni

3.Visakhapatnam

4.Nunmati

Question: 
Which element has the narrowest liquid range?

1.Helium

2.Fluorine

3.Argon

4.Neon

Question: 
Which is the first member of Alkyne series?

1.Methyne

2.Acetylene

3.Propyne

4.Ethene

Question: 
Which of the following chemical is produced when Ethene reacts with cold aqueous solution of Bayer’s reagent?

1.Methanol

2.Glycol

3.Methanal

4.Ethyne

Question: 
Which of the following gas is used in bulb?

1.Hydrogen

2.Carbon-dioxide

3.Carbon-mono-oxide

4.Argon

Question: 
Which of the following is correct about Solder?

1.It is an alloy of lead and tin

2.It is used for welding electrical wires together

3.It has a low melting point

4. All of the above

Question: 
Which of the following is the essential element for batteries used in electric cars?

1.Magnesium

2.Lithium

3.Sodium

4.Bromine

Question: 
Which of the following is used to increase the anti-knocking property of petrol?

1.Tetramethyl lead

2.Tetraethyl lead

3.Trimethyl lead

4.Triethyl lead

Question: 
Which of the following metals has an ore named Galena?

1.Nickel

2.Copper

3.Iron

4.Lead

Question: 
Which of the following metals is the most reactive metal?

1.Copper

2.Calcium

3.Iron

4.Zinc

Question: 
Which of the following metals is used in Space Crafts to withstand high temperatures?

1. Fe

2. Ti

3.Ni

4.Pb

Question: 
Which of the following non-metals is used to make antiseptic?

1.Sulphur

2.Bromine

3.Chlorine

4.Iodine

Question: 
Which of the following represents Isocyanic acid?

1.HNCO

2.CNO

3.HCO

4.HNC

Question: 
Which of the following represents the mixture of carbon monoxide and nitrogen?

1.Coal tar

2.Producer gas

3.Water gas

4.All of the above

Question: 
Which one of the following group of gases contribute to the “Green House Effect”?

1.Carbon dioxide and Methane

2.Ammonia and Ozone

3.Carbon monoxide and Sulphur dioxide

4.Carbon tetraflouride and Nitrous oxide

Question: 
Which one of the following non-metals shows allotropy in the liquid state?

1.Carbon

2.Sulphur

3.Phosphorous

4.Bromine

Question: 
Which thread is actually stronger than a steel wire?

1.wool

2.cotton

3.jute

4.nylon

Question: 
Who among the following invented Dynamite?

1. JB Dunlop

2.Alfred Nobel

3.James Simons

4.Peter Hargreaves

Posted on by Online Exam TestTeam

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