Assessment

Acids, Bases and Salts

Acids, Bases and Salts, Chemistry, Natural Acid, Basic Solution, neutralisation reaction, Magnesium hydroxide

ninja coder

Chemistry

Grade VII

10 plays

100 players

ninja coder

Chemistry

Grade VII

10 plays

100 players

Worksheet

15 Qs

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