Chemistry Bases and Alkalis Form 2

Front

What does PH scale show?

Back

It measures how acidic or basic a solution is.

Front

A piece of blue Litimus paper is inserted into hydrochloric acid. What color will it turn?

Back

red

Front

What acids are used in neutralisation reactions?

Back

Hydrochloric acid (HCl), sulfuric acid (H2SO4), nitric acid (HNO3)

Front

What reactants would form these products: calcium sulfate + water?

Back

sulfuric acid + calcium oxide

Front

nitric acid + sodium carbonate --->

Back

water + CO2 + sodium nitrate

Front

How to remove indicator color?

Back

By adding Activated Charcoal powder.

Front

Sodium hydroxide is a...

Back

strong alkali

Front

What number in the PH scale will these substances be: Bleach?

Back

11,13

Front

What color does red litmus paper turn when placed in a basic solution?

Back

blue

Front

Which of the following is a strong acid? Acetic acid (CH3COOH), Citric acid (C6H8O7), Hydrochloric acid (HCl), Carbonic acid (H2CO3)

Back

Hydrochloric acid (HCl)