Iron content in Indian iron ore is about __________ percent.

Question: Considering the endotheomic dissociation of CaCO3 in a closed vessel (CaCO3 CaO + CO2), the pressure of CO2 increases, if
[A].

a catalyst is added.

[B].

the temperature is increased.

[C].

an inert gas is pumped keeping the temperature constant.

[D].

none of these.

Answer: Option B

Explanation:

No answer description available for this question.

Question: Catalyst is a substance, which __________ chemical reaction.
[A].

increases the speed of a

[B].

decreases the speed of a

[C].

can either increase or decrease the speed of a

[D].

alters the value of equilibrium constant in a reversible

Answer: Option C

Explanation:

No answer description available for this question.