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Chemistry

Chemistry
The sewage obtained from water closets and urinals is known as

Sanitary waste
Industrial waste
Sullage
Garbage

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Chemistry
The number of waves in n x 10th Bohr's orbit are

n
n2
n-2
n3

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Chemistry
Bee sting contains

A salt solution
A corrosive liquid
An alkaline liquid
An acidic liquid

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Chemistry
Which one of the following contains maximum percentage of carbon ?

High speed steel
Stainless steel
Cast iron
Wrought iron

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Chemistry
Which of the following is the major constituent of LPG?

Propane
Ethane
Methane
Butane

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

Acetylene
Ethylene
Ethane
Methane

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