Question

Atom, Element, Compound, Chemical formula, Evaporation.
2) Write the symbols for the following elements :-
Tin, Copper, Gold, Iron, Antimony, Argon, Potassium, Lead, Mercury, Zinc.
3) Write the chemical formulae of the following compounds:-
Copper sulphate, Magnesium sulphide, Aluminium oxide, Sodium hydroxide, Nitric
4) Fill in the blanks spaces:-
i)
The zig-zag movement of particles suspended in air or water is called
ii) Next to air is the most important substance.
iii) Water is essential for running power plants.
iv) A solid can have number of free surfaces.
v) The clear liquid obtained by the process of distillation is called
5) Match the statements in column A, with those in column B.
Column A
Column B
i) Spaces in between the molecules of matter
(a) Matter
i) Force of attraction between the molecules of matter
(b) Solid
i) Any material which occupies space and has mass
(c) Gas
-) A state of matter which is highly compressible
(d) Intermolecul
A state of matter which can have any number of free surfaces (e) Intermolecula
SECTION Marche​

Answer 1

Answer:

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