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Chemistry

Chemistry
The inherited traits of an organism are controlled by

DNA molecules
RNA molecules
nucleotides
enzymes

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Chemistry
Which of the following fibres catches fire least ?

Rayon
Cotton
Nylon
Terricot

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Chemistry
Which of the following elements is obtained from sea weeds ?

Vanadium
Iodine
Sulphur
Argon

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Chemistry
The inexpensive and commonly used variety of glass is called soda glass.

is made using soda(sodium carbonate)
was used initially for making bottles of soda(carbonated drink)
was initially used for storing sodium carbonate
is made using soda lime

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Chemistry
J.J. Thomson’s proposed model of atom is generally called ________ model.

Plum and pudding
Cream and pudding
Plum and cake
Cream and cake

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Chemistry
Gobar gas contains mainly :

Methane
Propylene
Acetylene
Ethylene

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