Chemistry MCQS

Chemistry Mcqs for Test Preparation from Basic to Advance. Chemistry Mcqs are from the different sections of Chemistry Subject. Here you will find Mcqs of Chemistry from Basic to Advance. Which will help you to get higher marks in Chemistry portion of test. These Mcqs are useful for students and job seekers i.e MCAT ECAT ETEA test preparation, PPSC Test, FPSC Test, SPSC Test, KPPSC Test,BPSC Test, PTS ,OTS,GTS,JTS,CTS.

Methyl alcohol is not used as___________________?

A. a solvent
B. an anti freezing agent
C. a substitute for petrol
D. for denaturing of ethyl alcohol

Oxygen (molecular weight = 32) diffuses at a rate of 10cm3/min under the same conditions of temperature and pressure how fast will hydrogen (molecular weight = 2) diffuse ?

A. 20cm3/min
B. 40cm3/min
C. 160cm3/min
D. 2.5cm3/min

As a substance moves from a solid to a liquid all of the following changes occur except ?

A. molecules become more disordered.
B. K.E of the molecules decreases
C. intermolecular forces become weaker.
D. molecules move more frequently.

The rectified spirit is________________?

A. 12% alcohol
B. 90% alcohol
C. 95% alcohol
D. 100% alcohol

Which of the following solids show anisotropy___________________?

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

Butyl chloride gives possible isomers ?

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

Metallic crystals are soluble in________________?

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

Paramagnetic behaviour of substance is measured by a balance called___________________?

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

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

When an electron is moving with velocity of 2.188 x 106 ms-1 in the first orbit of Bohrs model of hydrogen. The de Broglie wavelength of electron is______________?

A. 0.33 nm
B. 0.34 nm
C. 0.35 nm
D. 0.36 nm

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