Anita Paul, Seema Sinha, Karuni Subrahmanyam and, Deepika Parashari Solutions for Exercise 1: Put on your THINKING CAP!
Author:Anita Paul, Seema Sinha, Karuni Subrahmanyam & Deepika Parashari
Anita Paul Science Solutions for Exercise - Anita Paul, Seema Sinha, Karuni Subrahmanyam and, Deepika Parashari Solutions for Exercise 1: Put on your THINKING CAP!
Attempt the practice questions from Exercise 1: Put on your THINKING CAP! with hints and solutions to strengthen your understanding. New Science Spark Book 7 solutions are prepared by Experienced Embibe Experts.
Questions from Anita Paul, Seema Sinha, Karuni Subrahmanyam and, Deepika Parashari Solutions for Exercise 1: Put on your THINKING CAP! with Hints & Solutions
EASY
7th CBSE
IMPORTANT
_____ is an indicator extracted from lichens.
EASY
7th CBSE
IMPORTANT
An ant bite can be treated by applying a _____ solution. (Washing soda / Baking soda)
EASY
7th CBSE
IMPORTANT
Name the acid present in curd.
EASY
7th CBSE
IMPORTANT
Name the acid present in lemon juice. (Lactic acid/ Malic acid/ Citric acid)
EASY
7th CBSE
IMPORTANT
The acid present in an ant bite is _____.
EASY
7th CBSE
IMPORTANT
Name the acid present in car batteries.
EASY
7th CBSE
IMPORTANT
Name the acid present which brings fizz in cold drink.
MEDIUM
7th CBSE
IMPORTANT
Match the following:
| (a) pH | (i) a product of reaction of an acid with a base |
| (b) phenolphthalein | (ii) the scale used to measure acidity/basicity |
| (c) salt | (iii) damaging material it touches |
| (d) acid | (iv) has a high concentration of ions |
| (e) base | (v) a type of indicator |
| (f) corrosive | (vi) a substance which changes colour in acid or base |
| (g) indicator | (vii) has a high concentration of ions |
