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Chemistry

Chemistry
The gas that is used in the manufacture of vanaspati ghee is :

Nitrogen
Hydrogen
Oxygen
Carbon dioxide

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Chemistry
The most important ore of lead is

Galena
Magnetite
Pyrolusite
Siderite

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Chemistry
Concentration of a material which is lethal to 50% animal is called

LC50
LD50
NOAEL
ADI

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Chemistry
The most extensive, commercially useful source of thorium as monazite sand occurs in India at

Gujarat coast
Travancore coast
West Bengal coast
Orissa coast

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Chemistry
What are the number of moles of CO2 which contains 16 g of oxygen?

0.2 mole
0.4 mole
0.5 mole
0.25 mole

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Chemistry
Which of the following is a renewable source of energy ?

Uranium
Coal
Natural gas
Geothermal powder

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MORE MCQ ON Chemistry

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