General Science | Chemistry | Acid, Base and Salt
General Science | Chemistry | Acid, Base and Salt
1. Goldsmiths uses aqua regia, which is prepared by mixing
Nitric acid and Sulphuric acid
Nitric acid and Hydrochloric acid
Sulphuric acid and Hydrochloric acid
Citric acid and Benzoic acid
Correct Answer
Wrong Answer
2. pH value shows the Numeric value of
Quality of chemical used for developing photographic negatives
Analysing the nature of solution acidic or basic
Analysing the intensity of an earthquake
Analysing for checking purity of milk
Correct Answer
Wrong Answer
3. An aqueous solution of copper sulphate is acidic in nature because the salt undergoes.
Dialysis
Electrolysis
Hydrolysis
Photolysis
Correct Answer
Wrong Answer
4. Sodawater obtained by passing carbon dioxide in water is
An oxidising agent
Basic in nature
Acidic in nature
A reducing agent
Correct Answer
Wrong Answer
5. Which of the following acid do not contain Oxygen?
Nitric Acid
Sulphuric Acid
Hydrochloric Acid
All of the above
Correct Answer
Wrong Answer
6. What is Neela thotha?
Copper Sulphate
Calcium Sulphate
Iron Sulphate
Sodium Sulphate
Correct Answer
Wrong Answer
7. An unknown gas quickly dissolves in water. This gaseous aqueous solution turns red litmus into the blue. This gas produces hydrogen chloride with a white flame. This unknown gas is
Sulphur dioxide
Nitric hydroxide
Ammonia
Carbon monoxide
Correct Answer
Wrong Answer
8. Baking soda is
Sodium Hydrogen Carbonate
Sodium Dihydrogen Carbonate
Disodium Hydrogen Carbonate
Sodium Carbonate
Correct Answer
Wrong Answer
9. Antacids are
Base
Acid
Salt
Buffer
Correct Answer
Wrong Answer
10. Which one of the following salt predominant in the ocean?
Calcium Carbonate
Sodium Chloride
Potassium Chloride
Magnesium Sulphate
Correct Answer
Wrong Answer
11. Table salt (NaCl) is a product of
Weak acid and weak base
Strong acid and strong base
Weak acid and strong base
Strong acid and weak basic
Correct Answer
Wrong Answer
12. Which one of the following is viscous?
Alcohol
Water
Honey
Gasoline
Correct Answer
Wrong Answer
13. What is untrue for bleaching powder?
It is more soluble than water
It is powder of light yellow colour
It is oxidant
It releases chlorine after reaction with dilute acid
Correct Answer
Wrong Answer
14. Which chemical compound is present in Bleaching Powder?
Calcium Hydroxide
Calcium Oxychloride
Calcium Carbonate
Ammonium Chloride
Correct Answer
Wrong Answer
15. To develop photographic plates
Sodium thiosulphate is used as oxidising agent
Free Bromine releases
Light affected area quickly oxidizes
The solution is kept developing until all the Bromide is not dissolved
Correct Answer
Wrong Answer
16. Which one of the following substances is used in photography and also as an antichlor?
Chrome red
Sodium thiosulphate
Hydrogen peroxide
Calomel
Correct Answer
Wrong Answer
17. The hypo solution used in photography is an aqueous solution of
Sodium thiosulphate
Sodium tetrathionate
Sodium sulphate
Ammonium per sulphate
Correct Answer
Wrong Answer
18. The useful element in photography is
Silver Nitrate
Silver Bromide
Sulphuric Acid
Citric Acid
Correct Answer
Wrong Answer
19. Which one of the following is coated on the photographic plate?
Silver oxide
Silver bromide
Silver chloride
Silver iodide
