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प्रश्न
Which one of the following element name is not derived from planet?
पर्याय
Plutonium
Neptunium
Uranium
Mercury
उत्तर
Mercury
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संबंधित प्रश्न
Which of the following are matter?
Chair, air, love, smell, hate, almonds, thought, cold, lemon water, smell of perfume.
Give reasons:
Liquids can flow
Fill in the blank:
Water is a matter because it has mas and occupies....................
Write whether the following statement is true or false.
A gas has no free surface.
For the following statement, say whether it describe a solid, a liquid or a gas.
Particles are quite close together.
Write whether the following statement are true or false.
The intermolecular force of attraction is the weakest in gases.
Explain why, we can easily move our hand in air but to do the same through a plank of wood, we need a karate expert.
Bromine particles are almost twice as heavy as chlorine particles. Which gas will diffuse faster; bromine (vapour) or chlorine? Explain your answer.
Give reasons for the following:
Water on freezing turns into ice.
Explain the term ‘interconversion of matter’ with ice as a starting material.
