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Chemistry

Chemistry
Muscle fatigue is caused by the accumulation of :

Pyruvic acid
Oxalacetic acid
Lactic acid
Uric acid

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Chemistry
The structure of (HPO3)3 is

Octahedral
Cyclic
Tetrahedral
Linear

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Chemistry
A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed?

From brown to orange-red
From blue to pink
From brown to blue-black
From pink to blue-green

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Chemistry
PVC is obtained by the polymerisation of

Acetylene
Styrene
Vinyl chloride
Propane

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

Ionic hydrides
Metallic hydrides
Molecular hydrides
Polynuclear hydrides

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Chemistry
Which amidst the following is not a gem stone ?

Cat's-eye
Pearl
Topaz
Opal

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MORE MCQ ON Chemistry

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