Matter in Our Surroundings - 1 (Class IX)
Description: Matter in Our Surrounding - 1 | |
Number of Questions: 15 | |
Created by: Vijay Puri | |
Tags: Matter in Our Surrounding - 1 Characteristics and Physical Nature of Matter Five Different States of Matter Change in States of Matter Evaporation |
The particles of which of the following are ionised?
a. Solids b. Liquids c. Gases d. Plasma
Diffusion is very fast in
The state of matter with only one free surface is
Solids are rigid in nature, yet a sponge can be compressed. Why?
Why is it difficult to break an iron nail?
When water solidifies to ice, heat
Which of the following properties is responsible for the conversion of substances into vapour without passing through the liquid state on heating?
Like gases, plasmas do not have a definite shape or volume. But unlike gases,
Why is it difficult to move your hand through a table, while it is easy to move your hand through air?
When the relative humidity is _________, no evaporation is generally possible.
Which of the following statements is true about the effect of temperature on the state of matter?
How does the evaporation of acetone from your hand cause a cooling effect?
Why does the temperature remain constant during the melting of ice, although heat is continuously supplied?
Which of the following statements is a condition for evaporation?
Today, our teacher told us about the fifth state of matter, which is super cool. It got its name after