Acid, bases and salts Worksheet-2

Acid, bases and salts Worksheet-2

Multiple-Choice Question:

11. Tooth paste changes the colour of china rose to:

(A) Red                 (B) Blue                (C) Green             (D) None of these

12. Phenolphthalein will give pink colour with:

(A) Common salt solution              (B) Tomato juice          

(C) Hair shampoo                            (D) None of these

13. The reaction between an acid and a base is known as:

(A) Neutralisation                           (B) Dehydration           

(C) Reduction                                   (D) Hydrolysis

14. During Neutralization:

(A) Heat is evolved

(B) Heat is absorbed   

(C) Heat is neither evolved nor absorbed       

(D) Any of these

15. Milk of magnesia is:

(A) Aluminium hydroxide              

(B) Calcium hydroxide          

(C) Magnesium hydroxide   

(D) Mixture of Aluminium hydroxide and  Magnesium hydroxide

16. _______ should be added to the soil solution if it changes the colour of turmeric solution to red.

(A) Quick lime                                  (B) Slaked lime            

(C) Baking soda                               (D) Manure

17. Match the column.

18. Match the column.

Answer key:

11. (C)
12. (C)
13. (A)
14. (A)
15. (A)
16. (D)
17. 1-c, 2-a, 3-d, 4-b
18. 1-d, 2-c, 3-a, 4-b