The combustion reaction, C + O2 = CO2, is__________________?

Question: Paper grade bamboo contains about __________ percent cellulose.
[A].

5

[B].

20

[C].

40

[D].

60

Answer: Option A

Explanation:

No answer description available for this question.

Question: Claude process of gas liquefaction employs
[A].

merely compression of gas beyond its critical pressure.

[B].

Joule-Thomson expansion cooling.

[C].

heat exchange with colder stream.

[D].

adiabatic expansion against a piston or in a turbine.

Answer: Option D

Explanation:

No answer description available for this question.

Question: The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is
[A].

dilute H2SO4

[B].

oleum

[C].

ultraviolet light

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: Free alkali in a toilet soap is __________ that in a laundary shop.
[A].

less than

[B].

more than

[C].

same

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.