Question

B. FILL IN THE BLANKS :
1.
has a lustre and is a non-metal which is good conductor of heat and electricity.
2.
..... is a mixture of copper and zinc.
3. Milk is an example of
..... solution.
4. The formation of a mixture from its constituents is not accompanied by
... change
5. Evaporation is a process of changing a liquid into its gaseous state by heating it at a temperature
below its
C. WRITE TRUE OR FALSE FOR EACH STATEMENT. REWRITE THE FALSE STATEMENTS
CORRECTLY :
1. Ductility means the ability to be beaten into sheets.
2. Molecule is the smallest particle of a pure substance which can exist freely.
3. The constituents of a compound cannot be separated by physical means.
4. Noble gases mostly exist as monoatomic molecules.
5. Hydrogen and oxygen are combined in 1:8 ratio by mass.
55
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Answer 1

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Answer:

B.fill in the blanks....

1. Graphite
2. Brass
3. Colloidal
4. energy
5. boiling point

C.true or false...

1. true
2. true
3. false
4. true
5. true

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