EASY
9th CBSE
IMPORTANT
Earn 100

What is the name of the process in which gas turns directly into a solid? (Sublimation/ Deposition)

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Important Questions on Matter in Our Surroundings

EASY
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 1 - Matter in Our Surroundings>Very Short Answer Type Questions>Q 16
Name one property which is shown by ammonium chloride but not by sodium chloride. (Sublimation/ Evaporation)
EASY
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 1 - Matter in Our Surroundings>Very Short Answer Type Questions>Q 17
What is the name of the process due to which dry ice changes into carbon dioxide gas? (Sublimation/ Centrifugation)
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 1 - Matter in Our Surroundings>Very Short Answer Type Questions>Q 18
What is the common name of solid carbon dioxide? 
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 1 - Matter in Our Surroundings>Very Short Answer Type Questions>Q 19
Why is solid carbon dioxide known as dry ice? 
EASY
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 1 - Matter in Our Surroundings>Very Short Answer Type Questions>Q 20
State one condition necessary to liquefy gases (other than applying high pressure). 
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 1 - Matter in Our Surroundings>Very Short Answer Type Questions>Q 21
Solid carbon dioxide is stored under low pressure. 
EASY
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 1 - Matter in Our Surroundings>Very Short Answer Type Questions>Q 22
What is the chemical name of dry ice? (Calcium oxide/Carbon dioxide)
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 1 - Matter in Our Surroundings>Very Short Answer Type Questions>Q 23
When steam condenses to form water, heat is _____. (absorbed/released)