Assessment
Acids, Bases and Salts
Acids, Bases and Salts, Chemistry, Natural Acid, Basic Solution, neutralisation reaction, Magnesium hydroxide
ninja coder
Chemistry
Grade7
10 Plays
100 Participants
1.
Multiple Choice
1 pts•30 sAnswer choicesWhich of the following is an example of a natural acid?
Lemon juice
Soap water
Baking soda
2.
Multiple Choice
1 pts•30 sAnswer choicesSoap solution is an example of which type of substance?
Acid
Base
Salt
3.
Multiple Choice
1 pts•30 sAnswer choicesWhat is the color of litmus in a basic solution?
Green
Red
Blue
4.
Multiple Choice
1 pts•30 sAnswer choicesWhat color change does blue litmus show in acid?
Red to red
Blue to red
Blue to blue
5.
Multiple Choice
1 pts•30 sAnswer choicesWhich of the following is a natural indicator?
Turmeric
Vinegar
Lemon juice
6.
Multiple Choice
1 pts•30 sAnswer choicesWhat is the nature of baking soda solution?
Neutral
Acidic
Basic
7.
Multiple Choice
1 pts•30 sAnswer choicesSalt is formed by the reaction of which two substances?
Acid + Acid
Acid + Base
Base + Salt
8.
Multiple Choice
1 pts•30 sAnswer choicesWhat is the name of the reaction between an acid and a base?
Neutralisation
Decomposition
Oxidation
9.
Multiple Choice
1 pts•30 sAnswer choicesWhat are the products of a neutralisation reaction?
Carbon dioxide
Oxygen
Salt and water
10.
Multiple Choice
1 pts•30 sAnswer choicesHow does an acid usually taste?
Sweet
Sour
Bitter
11.
Multiple Choice
1 pts•30 sAnswer choicesWhat is the color of turmeric in basic solution?
Red
Orange
Yellow
12.
Multiple Choice
1 pts•30 sAnswer choicesWhich of the following is a base?
Ammonia solution
Vinegar
Lemon juice
13.
Multiple Choice
1 pts•30 sAnswer choicesWhich combination gives rise to a neutralisation reaction?
Base + Salt
Acid + Base
Salt + Water
14.
Multiple Choice
1 pts•30 sAnswer choicesWhat do we call rain that contains acids from air pollution?
Acid rain
Base rain
Neutral rain
15.
Multiple Choice
1 pts•30 sAnswer choicesWhich base is used as an antacid to relieve acidity in the stomach?
Magnesium hydroxide
Hydrochloric acid
Sodium chloride
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