Question

If anyone will answer this question correctly l will mark him or her as brainlest as well as l will follow them​

Answer 1

Fill In The Blanks -

a. The raw materials for manufacturing synthetic fibres are obtained from petrochemicals .

b. Many small units combine to form a large single unit called monomer .

c. Rayon is obtained from wood pulp .

d. Non - metallic oxides dissolve in water to form an acidic solution .

e. Iron is more reactive than copper .

f. Sonorocity is the ability to produce a ringing sound when struck with a hard object .

Write One Word For The Following -

a. A special plastic on which oil and water do not stick and hence used for non stick coating on cook wares - Teflon

b. The first true synthetic fibre - Nylon

c. A synthetic fibre that closely represents wool - Rayon

d . A non metal , that Is the hardest substance ever - Carbon

e. A non metal that is a good conductor of electricity - Graphite

f. Metal, that is stored in kerosene - Sodium

Write T for the correct statement and F for the false one.

a. False .

Plastics do not decompose .

b. True

c. True

d. False . Carbon is not malleable .

e. True

f. False . Mercury is a liquid non metal .

__________________________________________________

Answer 2

$\huge\underline{\underline{\pink{\sf Answer}}}$

Section B

1) The raw materials for manufacturing synthetic fibres are obtained from petrochemicals

2) Many small units combine to form a large single unit called monomer

2) Rayon is obtained from wood pulp

3) Non - metallic oxides dissolve in water to form acidic solution

4) Iron is more reactive than copper

5) Sonorocity is the ability to produce a ringing sound when struck with a hard object .

━━━━━━━━━━━━━━

Section C

1) A special plastic on which oil and water do not stick and hence used for non stick coating on cook wares - Teflon

2) The first true synthetic fibre - Nylon

3) A synthetic fibre that closely represents wool - Rayon

4) A non metal , that Is the hardest substance ever - Carbon

5) A non metal that is a good conductor of electricity - Graphite

6) Metal, that is stored in kerosene - Sodium

━━━━━━━━━━━━━━

Section D

1) False (Plastics don't decompose to produce manure when buried in the soil)

2) True

3) True

4) False (Carbon cannot be drawn into wires)

5) True

6) False (Mercury is not a ductile in nature)

━━━━━━━━━━━━━━━━━━