acids, bases, salts and metals - Category wise Question and Answer Practice Test with Solutions

Question : 16 [PSC (Pre) 2018]

pH value shows the Numeric value of

a) Analysing the nature of solution acidic or basic

b) Analysing the intensity of an earthquake

c) Quality of chemical used for developing photographic negatives

d) Analysing for checking purity of milk

Question : 17

Which of the following statement regarding bases is false?

a) Bases are soapy to touch

b) Bases are extremly corrosive in nature

c) Bases produce hydroxide ions when dissolved in water

d) Basic solutions are non conducting in nature

Question : 18 [CDS]

Which of the following is not correct about Baking Soda ?

a) It is a corrosive base

b) It is used in soda acid fire extinguisher

c) It is added for faster cooking.

d) It neutralizes excess acid in the stomach

Question : 19 [PSC (Pre) 2016]

Antacids are

a) Acid

b) Salt

c) Base

d) Buffer

Question : 20 [CDS]

Antacids are commonly used to get rid of acidity in the stomach. A commonly used antacid is

a) calcium hydroxide

b) sodium hydrogen phthalate

c) magnesium hydroxide

d) manganese acetate