NCERT Solutions for Chapter: Physical and Chemical Changes, Exercise 1: MULTIPLE CHOICE QUESTIONS
NCERT Science Solutions for Exercise - NCERT Solutions for Chapter: Physical and Chemical Changes, Exercise 1: MULTIPLE CHOICE QUESTIONS
Attempt the practice questions on Chapter 6: Physical and Chemical Changes, Exercise 1: MULTIPLE CHOICE QUESTIONS with hints and solutions to strengthen your understanding. NCERT Exemplar Science - Class 7 solutions are prepared by Experienced Embibe Experts.
Questions from NCERT Solutions for Chapter: Physical and Chemical Changes, Exercise 1: MULTIPLE CHOICE QUESTIONS with Hints & Solutions
A chemical change may involve
Which of the following is/are true when milk changes into curd?
(i) Its state is changed from liquid to semi-solid.
(ii) It changes colour.
(iii) It changes taste.
(iv) The change cannot be reversed.
Choose the correct option from below:
A man painted his main gate made up of iron, to
(i) prevent it from rusting.
(ii) protect it from sun.
(iii) make it look beautiful.
(iv) make it dust free.
Which of the above statement(s) is/are correct?
Iron pillar near the Qutub Minar in Delhi is famous for the following facts. Which of these facts is responsible for its long stability?
Galvanisation is a process used to prevent the rusting of which of the following?
Paheli’s mother made a concentrated sugar syrup by dissolving sugar in hot water. On cooling, crystals of sugar got separated. This indicates a
Which of the following statement is incorrect for a chemical reaction?
Two drops of dilute sulphuric acid were added to of copper sulphate powder and then a small amount of hot water was added to dissolve it (step I). On cooling, beautiful blue coloured crystals got separated (step II). Step I and step II are:
