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Chemistry

Chemistry
Muscle fatigue is caused by the accumulation of :

Pyruvic acid
Lactic acid
Oxalacetic acid
Uric acid

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Chemistry
The gas used in the artificial ripening of fruits is

Butane
Ethane
Acetylene
Methane

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Chemistry
Ozone saves the biosphere by absorbing high energy radiations called ________ .

Infra-red (IR)
Gamma rays
X–rays
Ultraviolet rays (UV)

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Chemistry
The inexpensive and commonly used variety of glass is called soda glass.

was initially used for storing sodium carbonate
is made using soda(sodium carbonate)
is made using soda lime
was used initially for making bottles of soda(carbonated drink)

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Chemistry
Nitrogen forms a variety of compounds in all oxidation states ranging from

–3 to + 3
–3 to + 4
–3 to + 6
–3 to + 5

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Chemistry
Element 106 was discovered by

Kurchatove
Lawrence
Rutherford
Seaborg

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