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The gas used for artificial ripening of green fruit is

ethylene
ethane
carbon dioxide
acetylene
Additional Questions

Zone refining is used for the purification of

Answer

The main chemical constituent of the oil of cardamom which is responsible for flavour of this oil is

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The molecule which has the highest percentage of ionic character among the following is

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The high reactivity of fluorine is due to

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The iron ore magnetite consists of

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The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is

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The major constituent of air is

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The main chemical constituent of clay is

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The mineral containing both magnesium and calcium is

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The metal does not give H2 on treatment with dilute HCL is

Answer
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