Chemistry : CBSE Class XII Important Questions Chemistry (2008)

Q. 1. Draw the resonating structures of

Chemistry : CBSE Class XII Important Questions Chemistry (2008)

Q. 1. Why do amines act as nucleophile?

Chemistry : CBSE Class XII Important Questions Chemistry (2008)

Q. 1. Why water from the soil rises to the top of the trees?

Chemistry : CBSE Class XII Important Questions Chemistry (2008)

Q. 1. H₂O is a liquid while H₂S is a gas.

Chemistry : CBSE Class XII Important Questions Chemistry (2008)

Chemistry : CBSE Class XII Important Questions Chemistry (2008)

Q. 1. Zn, Cd and Hg are not considered as transition metals.

Chemistry : CBSE Class XII Important Questions Chemistry (2008)

Q. 36. Eu²⁺ is a good reducing agent.(Eu=63).

Chemistry : CBSE Class XII Important Questions Chemistry (2008)

Q. 1. Define activation energy of a reaction.

Chemistry : CBSE Class XII Important Questions Chemistry (2008)

Q. 1. What is the role of dimethyl and monomethyl hydrazine in rockets?

Chemistry : CBSE Class XII Important Questions Chemistry (2008)

Q. 1. State function of antihistamines along with example.

Chemistry : CBSE Class XII Important Questions Chemistry (2008)