Chemistry - Mock Test 44

Question 431

The main constituent of biogas is?

A) Hydrogen B) Methane C) Butane D) Acetylene

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Question 432

Cell membrane is?

A) permeable B) selectively permeable C) semipermeable D) impermeable

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Question 433

One fathom is equal to?

A) 6 metres B) 6 feet C) 60 feet D) 60 cms

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Question 434

Epoxy resins is used as?

A) Moth repellants B) Insecticides C) Detergents D) Adhesives

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Question 435

Glass is made from the mixture of?

A) Quartz and mica B) Sand and salt C) Sand and silicates D) None of these

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Question 436

The major ingredient of leather is?

A) Carbohydrate B) Collagen C) Polymer D) Nucleic acid

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Question 437

The recent atomic weight scale is based on?

A) 1H1 B) 1H2 C) 6C12 D) 8O16

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Question 438

According to Dalton’s atomic theory the smallest particle which can exist independently is?

A) An atom B) A molecule C) A cation D) An anion

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Question 439

Which of the following elements is non-radioactive?

A) Uranium B) Thorium C) Plutonium D) Zirconium

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Question 440

The most important ore of Aluminium is?

A) Bauxite B) Calamine C) Calcite D) Galena

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