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G.K Question and Answer - Chemistry MCQs Set VI
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1. Which of the following property is not of ionic compound?
Solubility in water
High melting and boiling points
Electrical conductivity in solid state
Electrical conductivity in molten state
2. Which of the following compounds is not ionic in nature?
Lithium Chloride
Ammonium Chloride
Calcium Chloride
Carbon tetrachloride
3. Ionic compound are soluble in:
Ether
Alcohol
Kerosene
Water
4. What is an ionic bond?
Ionic bond is formed by sharing of electrons between two atoms.
It is a bond formed by the transfer of electrons from one atom to another.
Both A and B are correct
None of the above
5. Name the ions present in Sodium Oxide compound?
Sodium ions
Oxide ions
Both A and B
Neither A nor B
6. Which of the following are electrovalent compounds?
Copper Sulphate
Calcium Nitrate
Magnesium Oxide
All of the above
7. What is the electronic configuration of calcium ion (Ca2+)
2,8
2,8,2
2,8,4
2,8,8
8. Name the gas which is found in abundance in earth in both combine and free state with other elements?
Oxygen
Nitrogen
Hydrogen
Sulphur
9. Name an inert diatomic gas which is neither combustible nor helps in combustion?
Carbon Dioxide
Hydrogen
Nitrogen
None of the above
10. Name a gas which is used in refrigeration and in fire extinguisher?
Nitrogen
Hydrogen
Carbon Dioxide
Methane
11. Name a gas which is used in the manufacture of vanaspati ghee, alcohol and ammonia?
Hydrogen
Oxygen
Propane
Butane
12. Name a gas used as rocket propellant and in welding also?
Ether
Neon
Hydrogen
Cyanogen
13. Name a tear gas which is used in riots?
Ethylene
Krypton
CS gas
Nitrous Oxide
14. Name a gas used in high speed photography?
Nitrous Oxide
Krypton
Xenon
Radon
15. Name a gas which is separated from the air by passing an electric current through water?
Carbon Dioxide
Oxygen
Butane
Nitrogen
16. Name a gas which is used in the fermentation of sugar?
Ammonia
Butane
Propane
Carbon Dioxide
17. Name a gas which is used in making chloroform?
Methane
Propane
Butane
Acetylene
18. The acidic nature and basic nature of some salt solutions can be explained on the basis of:
Splitting of a salt compound
Hydrolysis of salts
Both A and B
Only B
19. Which salt is used as a raw material for making a large number of useful chemicals in industry?
Sodium Chloride
Ammonium Hydroxide
Ammonium Chloride
Sodium Nitrate
20. Which of the following salts will give an aqueous solution having pH of almost 7?
Sodium Carbonate
Ammonium Nitrate
Potassium Chloride
Calcium Chloride
21. Name the salt whose aqueous solution will have no effect on either red litmus or blue litmus?
Potassium Sulphate
Sodium Chloride
Sodium Carbonate
Ammonium Sulphate
22. Name the salt when on dissolving in water give an acidic solution?
Potassium Chloride
Ammonium Chloride
Sodium Carbonate
Sodium Acetate
23. Which of the following salt on dissolving in water give a neutral solution?
Ammonium Chloride
Ammonium Sulphate
Potassium Chloride
Sodium Acetate
24. On dissolving in water, which of the following salt give an alkaline solution?
Ammonium Chloride
Sodium Carbonate
Sodium Acetate
Sodium Chloride
25. Bleaching powder is formed by treating chlorine with.......
Calcium Hydroxide
Potassium Hydrogen carbonate
Magnesium Hydroxide
None of the above
26. What is the chemical name of Baking Soda?
Potassium Carbonate
Potassium Hydrogen Carbonate
Sodium Hydrogen Carbonate
Sodium Carbonate
27. Name the salt whose aqueous solution will turn blue litmus to red?
Sodium Acetate
Potassium Sulphate
Potassium Carbonate
Ammonium Sulphate
28. Which of the following statement is true about ionic compounds?
Ionic compounds conduct electricity when dissolved in water.
Ionic compounds are not soluble in water.
Ionic compounds are crystalline solids.
Only A and C
29. Which of the following property is not of ionic compound?
Solubility in water
High melting and boiling points
Electrical conductivity in solid state
Electrical conductivity in molten state
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