Acids, Bases and Salts Worksheet-2

Acids, Bases and Salts Worksheet-2

1. Based on which of the following changes is an indicator useful?

(A) Colour                                          (B) Physical state    

(C) Temperature                               (D) Pressure

2. Why are acids always stored in glass containers and not in metallic ones?

(A) Glass containers are transparent        

(B) Glass containers are cheaper

(C) Metal containers are not easily available

(D) Metal reacts with the acid stored in them

3. The damaging effect of acid rain is caused due to:

(A) Carbonic acid                         (B) Sulphuric acid  

(C) Nitric acid                               (D) Allof these

4. Which of the following statement is etrue about acids & bases?

(A) Acids & bases don’t react with each other

(B) Acids mixed with bases neutralize each other

(C) Acids mixed with bases make stronger bases

(D) Acids mixed with bases make stronger acids

5. Which is the correct set of properties of an acid?

(A) Sour taste, corrosive nature, change litmus from red to blue

(B) Sour taste, corrosive nature, change litmus from blue to red

(C) Bitter taste, slippery, change litmus red to blue

(D) Bitter taste, slippery, change litmus blue to red 

6. This acid is used in almost all car battery and it is also known as ‘oil of vitriol’. Which acid is this?

(A) Sulphuric acid                       (B) Nitric acid 

(C) Hydrochloric acid                 (D) Carbonic acid

7. Two friends Ravina & Devina prepared tasty lemon pickle. Ravina stored the pickle in a tin coated iron pot and Devina stored the pickle in glass container. After few days pickle of one of the lady got spoiled.  Whose pickle got spoiled?

(A) Ravina                                     (B) Devina        

8. Match the column.

9. Match the column.

Answer Key:

1. (A)
2. (D)
3. (D)
4. (B)
5. (B)
6. (A)
7. (B)
8. 1-b; 2-d; 3-a; 4-c
9. 1-c; 2-d; 3-b; 4-a