Acids, bases and salts class 7 ncert
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Chemistry, Science
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7th Grade
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Medium
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14 questions
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1.
Multiple Choice
The chemical nature of acid is ________ in nature
Basic
Red
Blue
Acidic
2.
Multiple Choice
Which of the following is a base
Baking soda
Curd
Orange juice
Vinegar
3.
Multiple Choice
Which of the following is a natural indicator
Phenolphthalein
Turmeric
Salt
Vinegar
4.
Multiple Choice
What is the color of lichens in distilled water
Blue
Mauve (purple)
Red
Orange
5.
Fill in the Blank
From where is litmus extracted
6.
Multiple Select
Which color of litmus papers are available these days in strips
Mauve(purple)
Red
Green
Blue
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