Question

A. Fill in the blanks with suitable words.
1. If the results of the experiments are in
agreement with the hypothesis, then it
becomes a
2.
and
are used to
crush, grind and mix solid substances.
3. The common salt that we use in our food
is a chemical called
4. Chemicals like
are used to kill
germs in water
5. A metal called
burns to produce
white bright light in fireworks.
6. An observation which cannot be explained
by science is called
7. Earlier people believed that
can
have power to transform things for better
8. Food chemists who do research on nutrients
present in food are called
9.
fabrics are biodegradable in
nature,
10. Nylon is a
fabric.​

Answer 1

Answer:

3.NaCl

Explanation:

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