Advertisements
Advertisements
प्रश्न
Name the process associated with the following
Dry ice is kept at room temperature and at one atmospheric pressure.
उत्तर
Sublimation of dry ice (solid) to C02 (gas)
APPEARS IN
संबंधित प्रश्न
Connect with sports Air is not a pure substance. It helps us in many ways from breathing to playing. Balloon sports are a very popular sport. Hot air is lighter than cool air. So, the balloons filled with hot air rise up. Find out more about hot air balloons.
______ has the same properties throughout the sample.
Which of the following are pure substances? Ice, Milk, Iron, Hydrochloric acid, Mercury, Brick and Water.
Complete the Analogy.
Made up of one kind of particles: Pure substance:: Chemical combination of two or more element: ______.
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
The allotropic form of a non-metal is a good conductor of electricity. Name the allotrope.
Iron filings and sulphur were mixed together and divided into two parts, ‘A’ and ‘B’. Part ‘A’ was heated strongly while Part ‘B’ was not heated. Dilute hydrochloric acid was added to both Parts and evolution of gas was seen in both cases. How will you identify the gases that evolved?
How are pure substances classified?
Is blood a pure substance?
Name some substances that are sublime.
What are the characteristics of Pure Substances? (or) List out the characteristics of Pure Substances.