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Chemistry

Chemistry
A matured mammalian cell without nucleus is

Oocyte
Erythrocyte
Spermatozoan
Lymphocyte

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Chemistry
The gas used for artificial fruit ripening of green fruit is

Ethylene
Methane
Acetylene
Ethane

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Chemistry
Earth’s atmosphere is an envelope of gases extending to a height of

200 km
300 km
100 km
150 km

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Chemistry
Higher concentration of nitrogen dioxide in atmosphere air causes

Cancer
Bronchitis
Corrosion
Asphyxiation

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Chemistry
The high reactivity of fluorine is due to

small size of fluorine atom
strong F - F bond
its high electro negativity
availability of d-orbitals

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Chemistry
An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a :

Uninterrupted power supply (UPS)
Generator
Power transmittor
Battery

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MORE MCQ ON Chemistry

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