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Chemistry

Chemistry
A thick paste of cement, sand and water is called

Mortar
R.C.C.
Concrete
Kiln

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Chemistry
An important green-house gas other than methane being produced from the agricultural fields is

Nitrous oxide
Sulphur dioxide
Ammonia
Arsine

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Chemistry
The compounds formed when hydrogen combines with p-block elements are called

Ionic hydrides
Molecular hydrides
Polynuclear hydrides
Metallic hydrides

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Chemistry
Maximum permissible concentration of copper in drinking water in mg/L is

1
0.01
0.05
2

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Chemistry
Which one of the following has greatest mass ?

Neutron
Hydrogen nucleus
Electron
Proton

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Chemistry
Which of the following is a metallic ore ?

Mica
Feldspar
Galena
Quartz

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MORE MCQ ON Chemistry

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