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Chemistry

Chemistry
Of the following, which one pollutes the air of a big city ?

Chromium
Copper
Lead
Cadmium

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Chemistry
In organic compounds, nitrogen is estimated by

Liebig's method
Dumas method
Victor-Meyer's method
Carius method

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Chemistry
What is the chemical name for ‘Baking Soda’ ?

Sodium bicarbonate
Sodium nitrite
Sodium nitrate
Sodium carbonate

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Chemistry
Cyanide poisoning causes death in seconds because

It causes Lysis of red blood cells
It breaks the electron transport chain
It causes cardiac arrest
It denatures enzymes of the heart/muscle

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Chemistry
The anode in a dry cell consists of

Zinc
Cadmium
Copper
Graphite

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Chemistry
Lead pencil contains

Ferrous sulphide
Lead
Lead sulphide
Graphite

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MORE MCQ ON Chemistry

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