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Chemistry

Chemistry
Which of the following is the main nitrogenous waste in humans ?

Ammonium Nitrate
Urea
Ammonia
Uric Acid

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Chemistry
Major portion of the earth’s crust is mainly constituted by

Silicon and Iron
Silicon and Aluminium
Oxygen and Iron
Oxygen and Silicon

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Chemistry
The metal compound commonly found in Sindhoor or Kumkum is based on

Copper
Zinc
Tin
Lead

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Chemistry
Which of the following is an antidiabatic drug?

Insulin
Penicillin
Chloroquine
Aspirin

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Chemistry
Galena is a mineral of

Gold
Iron
Lead
Calcium

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Chemistry
The number of neutrons present in an element having mass number 226 and atomic number 88 is :

50
88
314
138

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MORE MCQ ON Chemistry

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