The main product of high temperature carbonisation of coal is_____________________?

Question: Pasteurisation of milk means
[A].

removal of fatty and albuminous substance from it.

[B].

killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics.

[C].

inhibiting the growth of micro-organisms without killing them.

[D].

none of these.

Answer: Option B

Explanation:

No answer description available for this question.

Question: Dehydrogenation of isopropanol produces
[A].

propyl alcohol

[B].

acetone

[C].

trichloroethylene

[D].

formaldehyde

Answer: Option B

Explanation:

No answer description available for this question.

Question: Flexible foam (for mattresses) is usually made of
[A].

PVC

[B].

silicone

[C].

polyurethanes

[D].

polyamides

Answer: Option C

Explanation:

No answer description available for this question.