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Acids and bases

Authored by Manigandan P

Chemistry

8th - 9th Grade

NGSS covered

Used 4+ times

Acids and bases
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

When acids react with metals, they produce hydrogen gas and salt.

True

False

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Acid turns red litmus paper blue.

True

False

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

The higher the concentration of hydroxide ions in the solution, the stronger the base is.

True

False

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Methyl orange goes red with alkali

True

False

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Ethanoic acid ionizes completely with water.

True

False

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

More acidic solution has higher pH.

True

False

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Acidic soil can be neutralised by spraying calcium oxide

True

False

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