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प्रश्न
State the property of the following substance.
Manganese dioxide, a catalyst which alters the rate of a chemical reaction is black in colour.
पर्याय
Physical
Chemical
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उत्तर
Chemical
संबंधित प्रश्न
Arrange the following substances in increasing order of force of attraction between their particles (keeping the substance having the minimum force of attraction first) : Water, Sugar, Oxygen
Give one difference between atoms and molecules.
What are fluids? Give two examples
Give reasons
A gas fills up the space available to it.
Give reasons
Liquids have definite volume but no definite shape
Fill in the blanks:
Any matter which has a definite ______ but no definite shape is called a ______.
Fill in the blanks:
______ and ______ can flow.
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles are quite close together
Describe simple experiments to prove that liquids have mass
State the property of the following substance.
Sodium nitrate is soluble in water, but calcium carbonate is not.
