Chemistry/G.K Question and Answer - Chemistry MCQs Set VI Sample Test,Sample questions

Question:
 On dissolving in water, which of the following salt give an alkaline solution?

1.Ammonium Chloride

2. Sodium Carbonate

3.Sodium Acetate

4.Sodium Chloride


Question:
Bleaching powder is formed by treating chlorine with.......

1.Calcium Hydroxide

2.Potassium Hydrogen carbonate

3.Magnesium Hydroxide

4.None of the above


Question:
Ionic compound are soluble in:

1.Ether

2.Alcohol

3.Kerosene

4. Water


Question:
Which of the following property is not of ionic compound?

1.Solubility in water

2.High melting and boiling points

3. Electrical conductivity in solid state

4.Electrical conductivity in molten state


Question:
Name a gas used as rocket propellant and in welding also?

1.Ether

2.Neon

3.Hydrogen

4.Cyanogen


Question:
Name a gas used in high speed photography?

1.Nitrous Oxide

2. Krypton

3.Xenon

4.Radon


Question:
Name a gas which is separated from the air by passing an electric current through water?

1.Carbon Dioxide

2.Oxygen

3.Butane

4.Nitrogen


Question:
Name a gas which is used in making chloroform?

1.Methane

2.Propane

3.Butane

4.Acetylene


Question:
Name a gas which is used in refrigeration and in fire extinguisher?

1.Nitrogen

2.Hydrogen

3.Carbon Dioxide

4.Methane


Question:
Name a gas which is used in the fermentation of sugar?

1.Ammonia

2.Butane

3.Propane

4.Carbon Dioxide


Question:
Name a gas which is used in the manufacture of vanaspati ghee, alcohol and ammonia?

1.Hydrogen

2. Oxygen

3. Propane

4.Butane


Question:
Name a tear gas which is used in riots?

1. Ethylene

2.Krypton

3.CS gas

4.Nitrous Oxide


Question:
Name an inert diatomic gas which is neither combustible nor helps in combustion?

1.Carbon Dioxide

2.Hydrogen

3.Nitrogen

4.None of the above


Question:
Name the gas which is found in abundance in earth in both combine and free state with other elements?

1.Oxygen

2. Nitrogen

3. Hydrogen

4.Sulphur


Question:
Name the ions present in Sodium Oxide compound?

1.Sodium ions

2.Oxide ions

3.Both A and B

4.Neither A nor B


Question:
Name the salt when on dissolving in water give an acidic solution?

1.Potassium Chloride

2.Ammonium Chloride

3.Sodium Carbonate

4.Sodium Acetate


Question:
Name the salt whose aqueous solution will have no effect on either red litmus or blue litmus?

1.Potassium Sulphate

2.Sodium Chloride

3.Sodium Carbonate

4.Ammonium Sulphate


Question:
Name the salt whose aqueous solution will turn blue litmus to red?

1.Sodium Acetate

2.Potassium Sulphate

3.Potassium Carbonate

4.Ammonium Sulphate


Question:
The acidic nature and basic nature of some salt solutions can be explained on the basis of:

1.Splitting of a salt compound

2.Hydrolysis of salts

3.Both A and B

4.Only B


Question:
What is an ionic bond?

1.Ionic bond is formed by sharing of electrons between two atoms.

2.It is a bond formed by the transfer of electrons from one atom to another.

3. Both A and B are correct

4.None of the above


Question:
What is the chemical name of Baking Soda?

1.Potassium Carbonate

2.Potassium Hydrogen Carbonate

3.Sodium Hydrogen Carbonate

4.Sodium Carbonate


Question:
What is the electronic configuration of calcium ion (Ca2+)

1. 2,8

2.2,8,2

3.2,8,4

4.2,8,8


Question:
Which of the following are electrovalent compounds?

1.Copper Sulphate

2.Calcium Nitrate

3.Magnesium Oxide

4.All of the above


Question:
Which of the following compounds is not ionic in nature?

1.Lithium Chloride

2.Ammonium Chloride

3.Calcium Chloride

4. Carbon tetrachloride


Question:
Which of the following property is not of ionic compound?

1.Solubility in water

2.High melting and boiling points

3.Electrical conductivity in solid state

4.Electrical conductivity in molten state


Question:
Which of the following salt on dissolving in water give a neutral solution?

1.Ammonium Chloride

2.Ammonium Sulphate

3.Potassium Chloride

4.Sodium Acetate


Question:
Which of the following salts will give an aqueous solution having pH of almost 7?

1.Sodium Carbonate

2.Ammonium Nitrate

3.Potassium Chloride

4.Calcium Chloride


Question:
Which of the following statement is true about ionic compounds?

1.Ionic compounds conduct electricity when dissolved in water.

2.Ionic compounds are not soluble in water.

3. Ionic compounds are crystalline solids.

4.Only A and C


Question:
Which salt is used as a raw material for making a large number of useful chemicals in industry?

1.Sodium Chloride

2.Ammonium Hydroxide

3.Ammonium Chloride

4.Sodium Nitrate


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