Acids and Bases

Sodium hydroxide and potassium hydroxide are …………. in nature. 

• salts

• corrosive

• acids

• indicators

Grease and oil are soluble in ……………..

• water

• Air

• Bases

• Salts

Milk of magnesia is a solution of which of the following bases, in water?

• Magnesium hydroxide

• Calcium hydroxide

• Aluminum hydroxide

• Ammonium hydroxide

A neutralisation reaction occur when ………………… and …………………. react.

• an acid, a salt

• an acid, a base

• an acid, water

• a base, water

Which of the following substances is used as an antacid?

• Calcium hydroxide

• Aluminium hydroxide

• Ammonium hydroxide

• Magnesium hydroxide

…………...……. hydroxide is used to neutralise the acidic water that is released from factories.

• Calcium

• Aluminium

• Ammonium

• Magnesium

What, among the following, is/are the product/s of a neutralisation reaction?

• Sugar

• Salt

• Water

• Salt and water

Which of the following statements is true for bases?

• They are bitter in taste, slippery and change the colour of litmus paper from red to blue.

• They are bitter in taste, corrosive and change the colour of litmus paper from blue to red.

• They are bitter in taste, slippery and change the colour of litmus paper from blue to red.

• They are sour in taste, slippery and change the colour of litmus paper from blue to red.