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Chemistry

Chemistry
The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3

4
5
2
zero

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Chemistry
Which one is the purest form of carbon

Graphite
Coal
Iron
Diamond

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Chemistry
Which among the following is liquid non-metal ?

Water
Mercury
Bromine
Alcohol

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Chemistry
The number of neutrons present in an element having mass number 226 and atomic number 88 is :

138
314
88
50

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Chemistry
The antiparticle of an electron is

Proton
Beta particles
Alpha particles
Positron

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Chemistry
Bauxite is an alloy of which of the following metals ?

Aluminium
Iron
Silver
Tin

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MORE MCQ ON Chemistry

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