Question

How many of the following are correctly
matched ?(I) Physical change- Change in physical
property of matter
(ii) Chemical change-
change- Change in
composition of substance
(iii) Matter- Anything that has mass and
takes up space
f(iv) Sublimation- Conversion of solid into
gas directly
(v) Boiling. It occurs at any temperature
below or above boiling point.
(vi) Gas- Has definite volume but no fixed
shape​

Answer 1

First 5 are correctly match

Answer 2

Answer:

Physical change, chemical change, matter, sublimation and boiling are correctly matched.

Step-by-step explanation:

Physical change: A physical change is a change to the physical as opposed to chemical properties of a substance .

Chemical change: A chemical change happens when one chemical substances is transformed into one or more different substances.

Matter: The material of the universe, especially one that occupies space and has mass.

Sublimation: The meaning of sublimation is causing something to change from solid to a gas.

Boiling: Boiling point, the temperature️at which a fluid is converted liquid into gas.

Gas: Gas ⛽ is a state of matter that has no fixed shape and no fixed volume.

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