Entry Test MCQ :: MCAT ECAT Chemistry Paper

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11.

Which of the following solids show anisotropy

A.	Plastic	B.	Glass
C.	Rubber	D.	None of the above

12.

Which of the following element doesnot show allotropy

A.	Carbon	B.	Arsenic
C.	Nitrogen	D.	Sulphur

13.

Butyl chloride gives possible isomers.

A.	2	B.	3
C.	4	D.	5

14.

Purines and pyrimidines are

A.	Enzymes	B.	Nitrogenous bases
C.	Carbohydrates	D.	Lipids

15.

Metallic crystals are soluble in

A.	Polar solvent	B.	Non polar solvent
C.	Fused metal	D.	None

16.

All the transition elements show

A.	Similar physical properties	B.	Similar chemical properties
C.	Both a and b	D.	None

17.

Paramagnetic behaviour of substance is measured by a balance called

A.	Analytical balance	B.	Guoys balance
C.	Electrical balance	D.	Single beam balance

18.

In solids the temperature is the measure of

A.	Average kinetic energy of molecules	B.	Vibrational kinetic energy
C.	Translational kinetic energy	D.	None of the above

19.

Which of the following properties prove that cathode rays are material in nature

A.	they cast shadow	B.	they possess momentum
C.	they are negatively charged	D.	all of the above

20.

Fruit juices and fizzy drinks such as lemonade are often sold in aluminium cans. What is the most important reason aluminium is a suitable metal?

A.	aluminium can be recycled	B.	aluminium has very low density
C.	aluminium is the most abundant metal in the earth crust	D.	aluminium is resistant to corrosion by organic acids.