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Chemistry

Chemistry
Mercury is a :

Solid non-metal
Liquid metal
Liquid non-metal
Solid metal

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Chemistry
The most electronegative element among the following is

fluorine
sodium
bromine
oxygen

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Chemistry
Isobars are lines joining places having equal

Rainfall
Population
Pressure
Height above sea-level

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Chemistry
Iron is extracted from

Bauxite
Dolomite
Haematite
Cinnabar

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Chemistry
The main active constituent of tea and coffee is

aspirin
caffeine
chlorophyll
nicotine

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Chemistry
Galvanization of iron is carried out using

Zinc
Copper
Chromium
Tin

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