Chemistry

Give reasons:
A piece of chalk can be broken easily into smaller pieces but a coal piece cannot be broken easily.

Matter

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Answer

The magnitude of intermolecular force of attraction between the molecules of coal is much higher than that between the molecules of chalk. Hence, a piece of chalk can be broken easily into smaller pieces while a coal piece cannot be broken easily.

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Chemistry

Give reasons:
A piece of chalk can be broken easily into smaller pieces but a coal piece cannot be broken easily.

Matter

Answer

Related Questions

Give reasons:
When magnesium is burnt in air, there is an increase in mass after the reaction.

Give reasons:
When sodium chloride is added to a definite volume of water and stirred well, a solution is formed, but there is no increase in the level of water.

State your observation when :
(a) A gas jar which appears empty is inverted over a gas jar containing Bromine vapours.
(b) Solid ammonium chloride is heated.
(c) Vinegar is added to baking soda.

Give word equations for the following reactions:
(a) Barium chloride solution is added to sodium sulphate solution.
(b) Vinegar is added to baking soda.
(c) Magnesium burns in oxygen.

Chemistry

Give reasons:A piece of chalk can be broken easily into smaller pieces but a coal piece cannot be broken easily.

Matter

Answer

Related Questions

Give reasons:When magnesium is burnt in air, there is an increase in mass after the reaction.

Give reasons:When sodium chloride is added to a definite volume of water and stirred well, a solution is formed, but there is no increase in the level of water.

State your observation when :(a) A gas jar which appears empty is inverted over a gas jar containing Bromine vapours.(b) Solid ammonium chloride is heated.(c) Vinegar is added to baking soda.

Give word equations for the following reactions:(a) Barium chloride solution is added to sodium sulphate solution.(b) Vinegar is added to baking soda.(c) Magnesium burns in oxygen.

Give reasons:
A piece of chalk can be broken easily into smaller pieces but a coal piece cannot be broken easily.

Give reasons:
When magnesium is burnt in air, there is an increase in mass after the reaction.

Give reasons:
When sodium chloride is added to a definite volume of water and stirred well, a solution is formed, but there is no increase in the level of water.

State your observation when :
(a) A gas jar which appears empty is inverted over a gas jar containing Bromine vapours.
(b) Solid ammonium chloride is heated.
(c) Vinegar is added to baking soda.

Give word equations for the following reactions:
(a) Barium chloride solution is added to sodium sulphate solution.
(b) Vinegar is added to baking soda.
(c) Magnesium burns in oxygen.