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Chemistry

Chemistry
Which of the following is used in dating archaeological findings ?

614C
13H
92235U
818O

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Chemistry
The coordination number of body centered atom in cubic structure is

8
6
10
4

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Chemistry
The least preferred technique in the disposal of Municipal Solid Waste is

Land filling
Bricketting
Incineration
Composting

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Chemistry
Which of the following metals form an amalgam with other metals ?

Tin
Lead
Zinc
Mercury

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Chemistry
Forth floatation process to concentrate the minerals is applicable to

Bauxite
Calamine
Haematite
Chalcopyrites

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Chemistry
Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful

Solar ultraviolet radiation
CO2 in the air
Solar infrared radiation
SO2 in the air

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