Acids,Bases and Salt

Quiz

•

Science, Chemistry

•

7th Grade

•

Medium

RAVIKUMAR P.R.

Used 78+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Turmeric is a natural indicator. On adding its paste to acid and base separately, which colour will be observed

Yellow in both acid and base

Yellow in acid and red in base

Pink in acid and yellow in base.

Red in acid and blue in base.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the effect of Common salt in red litmus paper?

Blue

Red

Green

Remains same

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Paheli and Boojho buy two lemon juice. They told that it was sour. What substances it contain

Acids

Bases

Neutral

None of the above

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Latic acid is found in.

Curd

Soap

Salt

Oil

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Litmus’, a natural dye is an extract of which of the following?

China rose (Gudhal)

Blue berries (Jamun

Lichen

Beetroot

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a mineral acid?

oxalic acid

carbonic acid

acetic acid

citric acid

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Phenolphthalein is a synthetic indicator and its colours in acidic and basic solutions, respectively are:

red and blue.

Blue and red.

pink and colourless

colourless and pink

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