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Chemistry

Chemistry
The ore of Aluminium is

Bauxite
Chalco pyrites
Fluorspar
Hematite

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Chemistry
Nylon is made up of :

Polypropylene
Polyester
Polyethylene
Polyamide

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Chemistry
Among the fuels given below, the one with highest calorific value is

Coke
Wood
Coal
Natural gas

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

HBr
HCI
HI
HF

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Chemistry
Which colour is produce by Arsenic during flame test

Red
Blue
Green
Crimson

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Chemistry
________ is used for making vinegar.

Acetic acid
Oxalic acid
Tartaric acid
Malic acid

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