Lakhmir Singh and Manjit Kaur Solutions for Chapter: Changes Around Us, Exercise 4: Multiple Choice Questions (MCQs)
Lakhmir Singh Science Solutions for Exercise - Lakhmir Singh and Manjit Kaur Solutions for Chapter: Changes Around Us, Exercise 4: Multiple Choice Questions (MCQs)
Attempt the free practice questions on Chapter 6: Changes Around Us, Exercise 4: Multiple Choice Questions (MCQs) with hints and solutions to strengthen your understanding. Awareness Science For Sixth Class solutions are prepared by Experienced Embibe Experts.
Questions from Lakhmir Singh and Manjit Kaur Solutions for Chapter: Changes Around Us, Exercise 4: Multiple Choice Questions (MCQs) with Hints & Solutions
When ice melts to form water, then a change occurs in its
Which one of the following is a beneficial change?
When ice-cream melts:
A. Heat is lost from the ice-cream
B. Heat is gained by the ice-cream
C. Heat is lost from the air
D. Heat is gained by the air
Which one of the following is not a reversible change?
Which of the following changes are irreversible?
A. Lifting a chair.
B. Filling a glass with orange juice.
C. Cooking a pot of rice.
D. Bursting a balloon.
One of the following is not an irreversible change. This one is
Which of the following will lead to changes which cannot be reversed?
A. Addition of water to salt.
B. Addition of water to cement.
C. Addition of water to plaster of Paris.
D. Pouring of water on hot iron rim of a cartwheel.
Which of the following changes cannot be reversed to obtain the original objects?
A. Inflating a balloon.
B. Bursting a balloon.
C. Melting of wax.
D. Burning of wax.
