EASY
Earn 100

What is solid state? Give examples.

Important Questions on States of Matter: Gaseous and Liquid States

EASY
If the water is converted into ice, and its entropy is changed by ΔS, then
EASY

Fill in the blank by unscrambling the jumbled letters: ECI

When water is cooled, it changes into _____.

MEDIUM
Aditi’s housemaid doesn’t have a refrigerator. So, she gives ice and cold water to her in summer.
(a) How is water changed into ice?
(b) What can we learn from Aditi?
MEDIUM

Represent the union of two sets by Venn diagram for each of the following.

X={x | x is a prime number between 80 and 100}

Y={y | y is an odd number between 90 and 100}