A. Electroplating
B. Annealing
C. Galvanization
D. Vulcanization
A. The hair barging against the charged comb
B. Small electric sparks
C. The rubbing of the comb with the hair
D. None of the above
A. Steam can penetrate the skin
B. Steam is at a higher temperature
C. Steam contains more energy than boiling water
D. Steam is at a higher pressure
A. Water is good conductor of heat
B. Water has very high specific heat capacity
C. Water boils at a comparatively high temperature
D. Evaporation of water produces lot of cooling
A. Remain unaffected
B. Fall away from the train
C. Fall towards the train
D. Fall away from or towards the train depending upon the speed
A. Red, green and blue
B. Orange, back and violet
C. White. red and yellow
D. Yellow, green and blue
A. – 2O°C
B. – 10°C
C. + 10°C
D. + 20°C
A. The value of ‘g’ is less in water
B. Density of air is less than that of water
C. Of the viscous force in water
D. Of The surface tension of water
A. Concave
B. Plane
C. Convex
D. Biconcave
A. Provide insulation for preserving body heat
B. Provide striking surface to the wings for flying
C. Make the body surface waterproof
D. impart coloration for species as well as sex recognition
