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Chemistry

Chemistry
The source of energy that causes the least global warming is

Natural Gas
Geothermal energy
Coal
Petroleum

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Chemistry
Which halide is used in making sensitive emulsion on photograhic film?

Silver chloride
Silver bromide
Silver iodide
Sodium chloride

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Chemistry
J.J. Thomson’s proposed model of atom is generally called ________ model.

Cream and pudding
Cream and cake
Plum and cake
Plum and pudding

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Chemistry
The molecule which has the highest percentage of ionic character among the following is

HCI
HF
HBr
HI

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Chemistry
The oxidation number of nickel in K4[Ni(CN)4] is

4
8
–4
Zero

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Chemistry
________ gives hardness to stainless steel.

Carbon
Lead
Tin
Zinc

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