Chemistry

Question 1

1A solution of ammonium chloride is slightly

Easy

A. acidic B. neutral C. basic D. alkaline

Question 2

2A solution of sodium carbonate in water is

Medium

A. colourless acid B. acidic C. neutral D. alkaline

Question 3

3Which salt solution would turn red litmus blue?

Medium

A. potassium ethanoate B. sodium nitrate C. ammonium sulphate D. potassium chloride

Question 4

4A solution of sodium ethanoate is

Easy

A. neutral B. strongly acidic C. alkaline D. acidic

Question 5

5A solution of ammonium chloride in water is

Medium

A. acidic B. a buffer C. neutral D. alkaline

Question 6

6Hydrolysis of a salt is a reaction between the salt and

Easy

A. carbon dioxide B. a metal C. oxygen D. water

Question 7

7A solution of sodium chloride in water is

Easy

A. strongly basic B. alkaline C. acidic D. neutral

Question 8

8Iron(III) chloride solution is acidic because

Hard

A. it is neutral B. Fe³⁺ ions hydrolyse to release H⁺ C. chloride is basic D. it contains OH⁻

Question 9

9The pH of 0.1 mol/dm³ sodium ethanoate solution is

Hard

A. zero B. greater than 7 C. exactly 7 D. less than 7