Chemistry QuizName______________________________________________ Date ________________ 1. Complete the acid reactions given below:

a. Hydrochloric acid + soidium = _______________________ + hydrogen gas.

[1]

Write the chemical equation to represent what is written above.

[4]

b. i.When an acid reacts a carbonate what are the product?

________________________________________________________________

i i. Complete the word equation below.

Sulphuric acid + sodium carbonate = ______________________________ +

____________________________ + water. [2]

iii. Write the chemical equation to represent what is written above.

[4]

2. You are provided with four solutions A, B, C and D which have different pH values as

listed below.

A. Ph7

B. Ph1

C. Ph9

D. Ph5

a) i. Classify the solutions, a) to d) stated above, as either weakly alkaline, strongly a

alkaline, neutral, strongly acidic or weakly acidic.

A. ___________________________________________

B. ___________________________________________

C. ___________________________________________

D. ___________________________________________ [4]

ii. Which solution could be pure (distilled) water.

____________________________________________ [1]

iii. Which solution(s) will turn pink if universal indicator is added ____________________________________________ [1]

iv. Between which two solutions will a neutralization reaction occur. ______________________________________________ [1]

3. Write the word TRUE or FALSE in the spaces below for each statement.a_____________________ pH is a method used to express the acidity or

alkalinity of a solution

b______________________If indicator paper is red, the pH of the substance

being tested is acidic

c______________________Acids have a ph of 0 to 7? d._______________________ hydrochloric acid reacts with sodium carbonates to

produce carbon dioxide gas4. Complete the following sentences by inserting the missing word.

Tooth paste has a slippery feel because they contain_____________________. ____________________ litmus paper is used to test acids.

The sting of a wasp is __________________ so can be neutralized with vinegar.

Vinegar has a sour taste because it contains ______________________

An upset or acid stomach can be treated with Andrews salts because it is

____________________________. [5] Form _______________________