List of top Questions asked in MHT CET- 2004

Glucose on oxidation gives the acid containing the C-chiral atoms equal to

A thick wire is stretched, so that its length become two times. Assuming that there is no change in its density, then what is the ratio of change in resistance of wire to the initial resistance of wire?

In Melde's experiment, the string vibrates in 4 loops when a 50 g weight is placed in the pan of weight 15 g. To make the strings to vibrates in 6iJoops the weight that has to be removed from the pan is

Number of electrons in the valence orbit of nitrogen in an ammonia molecule are