Q. Who discovered Antarctic 'ozone hole'?

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Q. 'CFCs' are chemically

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Q. Ozone molecules are formed through action of:

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Q. 'Ozone' is also present in the:

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Q. A chlorine atom can destroy a number of molecules of ozone in a:

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Q. Montreal Protocol was set up in:

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Q. Which GHGs are non toxic?

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Q. 'ppb' stands for

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Q. A 'stratosphere' is a well recognized region of atmosphere, having

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Q. Ozone' and 'CFCs' are destroyed by

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Q. 'CFCs' in atmosphere destroys

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Q. A molecule consisting of three atoms of oxygen is

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Q. Which gas is an extremely reactive in the

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Q. Which GHGs vaporise at below room temperature?

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Q. 'CFCs' also known as:

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Q. Problem related to ozone depletion was discovered in

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Q. GHGs' absorb solar ultraviolet radiation at slightly

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Q. CFCs are ideal to use in refrigerators and

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Q. Lifespan of 'CFCs' are:

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Q. What suffers most due to tropospheric ozone?

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