MHT-CET PCB 06 — MHT - CET STD 12 Science — Question

Which among the following substituent group decreases the acidic strength of aromatic carboxylic acid?

Which of the following statements is incorrect?

The ratio of slopes m1: ro2 of the lines given in the following graphs is, ____

The radius of the circle passing through the points (5, 7), (2, -2) and (-2, 0) is ______.

All are internal genitalia in females. EXCEPT ______.

Fullerene is an example of ____________.

An alternating emf of 0.2 V is applied across an L-C-R series circuit having R = 4Q, C = 80µF, and L = 200 mH. At resonance the voltage drop across the inductor is

The collective name given to a cup like structure containing a tuft of capillaries.

The line passing through the points (5, 1, a) and (3, b, 1) crosses the YZ – plane at the point `(0, 17/2, (-13)/2)`, then ______.

Which of the following statements are CORRECT for NICAD cell and mercury battery?

I. Both can be recharged.

II. Both cannot be recharged.

III. Both are secondary voltaic cells.

IV. Both cells work using an acidic electrolyte.