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Chemistry

Chemistry
The temperature of oxy-acetylene flame is around

3200°C
2800°C
3600°C
4000°C

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Chemistry
In arc welding, Argon is used because of its

High calorific value
High flammability
Low reactivity with metal
Ability to lower the melting point of the metal

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Chemistry
The isomerism which exists between CH3CHCI2 and CH2CI. CH2CI is

metamerism
positional isomerism
chain isomerism
functional group isomerism

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Chemistry
The 'solid waste' is also known as

Sludge
Sedge
Scrubber
Toxic waste

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Chemistry
Which mineral is the ore of aluminium ?

Siderite
Bauxite
Haematite
Magnetite

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Chemistry
The heat energy produced when the human body metabolises 1 gram of fat is

1 KJ
39 KJ
30 KJ
29 KJ

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MORE MCQ ON Chemistry

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