Chemistry
What is the product formed when sodium bicarbonate is heated strongly?

Sodium Monoxide
Sodium Peroxide
Sodium Carbonate
Sodium Hydroxide

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Chemistry
The mass number of a nucleus is

always more than the atomic weight
the sum of the number of protons and neutrons present in the nucleus
always less than its atomic number
a fraction

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Chemistry
Sullage water is –

Waste water released from toilets
Waste water released from factories
Waste water released from kitchen
Waste water released from hospitals

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