Chemistry
Fill in the blanks:
(a) Air is a matter because it has …………… and …………… and it can be …………… .
(b) The molecules are made up of …………… .
(c) The quantity of matter in an object is called its …………… .
(d) The state of matter with definite volume and definite shape is called …………… .
(e) The substances which can flow are called …………… .
Matter
43 Likes
Answer
(a) mass, volume, compressed
(b) atoms
(c) mass
(d) solid
(e) fluids
Answered By
22 Likes
Related Questions
Assertion (A) — Particles of matter are always in random motion.
Reason (R) — Particles of matter possess kinetic energy.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Assertion (A) — A piece of wood is a hard solid, while that of chalk is a soft solid.
Reason (R) — In solids, the intermolecular forces of attraction are very strong.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Write whether the following statements are true or false.
(a) Solids can diffuse very fast.
(b) The quantity of matter in an object is called volume.
(c) Atoms combine to form molecules.
(d) Particles of matter can move because they possess kinetic energy.
(e) When a liquid is heated, it solidifies.
Match the following:
Column A Column B (a) Fluids (i) space between the molecules (b) Melting point (ii) change of state from gas to liquid (c) Atoms (iii) substances which can flow (d) Intermolecular space (iv) the smallest particles of matter (e) Condensation (v) the temperature at which a solid changes to a liquid