A. they cast shadow
B. they possess momentum
C. they are negatively charged
D. all of the above
Which of the following properties prove that cathode rays are material in nature Read More »
A. Analytical balance
B. Guoys balance
C. Electrical balance
D. Single beam balance
Paramagnetic behaviour of substance is measured by a balance called Read More »
A. Polar solvent
B. Non polar solvent
C. Fused metal
D. None
Metallic crystals are soluble in Read More »
A. Plastic
B. Glass
C. Rubber
D. None of the above
Which of the following solids show anisotropy Read More »
A. 12% alcohol
B. 90% alcohol
C. 95% alcohol
D. 100% alcohol
The rectified spirit is Read More »
A. molecules become more disordered.
B. K.E of the molecules decreases
C. intermolecular forces become weaker.
D. molecules move more frequently
A. 20cm3/min
B. 40cm3/min
C. 160cm3/min
D. 2.5cm3/min
A. a solvent
B. an anti freezing agent
C. a substitute for petrol
D. for denaturing of ethyl alcohol
Methyl alcohol is not used as Read More »
A. pressure
B. volume
C. moles
D. density
All the following variables are used to describle gases except Read More »
