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Chemistry

Chemistry
The gas which turns into liquid at the lowest temperature among the following is

Nitrogen
Helium
Oxygen
Hydrogen

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

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

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Chemistry
The most abundant element is

Nitrogen
Oxygen
Calcium
Silicon

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Chemistry
The influence of temperature on reaction rate is predicted by

Van der Waals equation
Kirchhoff's equation
Arrhenius equation
Lewis equation

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Chemistry
Chloroform can be used as

Antibiotic
Anaesthetic
Antimalarial
Analgesic

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Chemistry
Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between

20 and 50 km
50 and 100 km
10 and 20 km
5 and 10 km

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