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Colour display in green houses can be ma...

Colour display in green houses can be made with discharge tubes. The gas that is very frequently used for the display is

A

chromyl chloride

B

Neon

C

Nitrous oxide

D

Kerypton

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • Most effective green house gas is

    A
    CFCs
    B
    `CO_(2)`
    C
    Methane
    D
    `O_(2)`

  • The total number of signals that can be made with 7 different coloured flags is

    A
    128
    B
    7
    C
    127
    D
    13699

  • The total number of signals than can be made with 5 different coloured flags is

    A
    325
    B
    350
    C
    360
    D
    720

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