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Chemistry

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

Sullage
Sanitary waste
Garbage
Industrial waste

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Chemistry
The buffer action of blood is due to the presence of

HCI and NaCI
CI– and [CO3]2–
[HCO3]– and H2CO3
CI– and [HCO3]–

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Chemistry
For generation of biogas, the materials commonly used are

Animal wastes
Crop residues
Forest residues
Aquatic plants

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Chemistry
Which of the following kinds of spectroscopy can provide information on the energy difference between the initial and final states rather the energy levels involved in the transition

UV photoelectron spectroscopy
UV absorption spectroscopy
Rotational spectroscopy
Infrared absorption spectroscopy

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Chemistry
Magnalium is an alloy of

Aluminium and Zinc
Manganese and Magnesium
Aluminium and Magnesium
Magnesium and Tin

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Chemistry
When there are two electrons in the same orbital, they have:

No spin
Same spin
Opposite spin
Same or opposite spin

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MORE MCQ ON Chemistry

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