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Which of the following statement is not ...

Which of the following statement is not correct about the characteristics of cathode rays?

A

Cathode rays orginate from the cathode

B

Charge and mass of the particles constituting cathode rays depends upon the nature of the gas.

C

Charge and mass of the particles constituiting cathode rays does not depends upon the nature of the gas.

D

The charge `//` mass ratio of the particles is much greater than that of anode rays.

Text Solution

Verified by Experts

The correct Answer is:
B
Cathode rays are made up of electrons.
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Knowledge Check

  • Which of the following statement is not correct about the characterstics of cathode rays

    A
    They start from the cathode and move towards the anode.
    B
    They travel in straight line in the absence of an external electrical or magnetic field,
    C
    Characteristics of cathode rays do not depend upon the material of electrodes in cathode ray tube.
    D
    Characteristics of cathode rays depend upon the nature of gas present in the cathode ray tube.

  • Which of the following statements is not correct about XeF_(2) ?

    A
    It can be obtained by direct reaction between `F_(2) and Xe` at high pressure.
    B
    `XeF_(2)` undergoes alkaline hydrolysis to give `O_(2) and Xe`.
    C
    `XeF_(2)` is a powerful oxidising agent.
    D
    `XeF_(2)` contains two bond pairs and three lone pairs.

  • Which of the following statements is not correct about methanol ?

    A
    It is used for drinking purposes .
    B
    It is highly poisonous compound .
    C
    It can be prepared by reduction of formaldehyde with `LiAlH_4`
    D
    It is miscible with water in all proportions .

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