MCQ
A Which of the following statements is $NOT$ correct$?$
  • A
    The ions are free to move about in an electrolyte.
  • B
    The solution which can form ions is used for electroplating.
  • Acids are bad conductors of electricity.
  • D
    An electric bulb glows due to the heating effect of current.

Answer

Correct option: C.
Acids are bad conductors of electricity.

Acids are good conductors of electricity. Most of the liquids which conduct electricity are solutions of acids, bases and salts.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Which non$-$metal is used in making glass?
Brahma rolls down a ball from a certain height along an inclined plane. After reaching the bottom of the inclined plane, the ball rolls some distance horizontally along a surface. Brahma uses four different objects as the horizontal surface at the bottom of the inclined plane. The four objects are frosted glass sheet, cardboard sheet, sand paper, and wrinkle-free towel. In each case, he measures the distance travelled by the ball from the bottom of the inclined plane along the horizontal surface. On which surface will the ball move the least distance?
The sound waves travel fastest:
To an astronaut, the outer space appears:
Consider the following statements and choose the correct one:
Which organism is classified as a decomposer?
Voice of man is heavy compared to a woman because:
An inflated rubber balloon is rubbed with a woollen cloth whereas a ballpoint pen refill is rubbed with a polythene bag. Which of these will get positively charged?
$A.$ Inflated rubber balloon.
$B.$ Woollen cloth.
$C.$ Ballpoint pen refill.
$D.$ Polythene bag.
Assertion (A): In the game of tug of war, sometimes the rope doesn’t seem to move to any side even if strong forces are applied from both sides.
Reason (R): Equal force applied from opposite sides on any object makes the net applied force zero.
Which of the following metals are produced by the electrolysis of their molten compounds?
$A.$ Copper.
$B.$ Silver.
$C.$ Aluminium.
$D.$ Sodium.