Question

True/False:

1) Metals react with acids to produce oxygen gas.

2) Process of separation of different constituents from petroleum is called refining.

3) The property that allows the metals to be hammered into thin sheets is called ductile.

4) Synthetic fibres are synthesised from a raw material called polymers.

5) Cork is almost pure form of carbon.​

Answer 1

Answer:

1) False

2)True

3) False

4)False

5)true ( i guess you have miswritten the spelling of coke )

Explanation:

1)Metals readily react with acid and produce hydrogen gas

2)separating the various constituents/ fractions of petroleum is known as refining.

3)The property of metals which allows metals to be hammered into thin sheets is called Malleability

4)Synthetic fibres are synthesised from raw material called petrochemicals .

5) This is true as coke is pure form of carbon Coke as in coal for burning contains some sulphur and more.

Answer 2

Answer:

1} False 2} True 3} True 4} True 5} False