A. Asbestos
B. Detergents
C. Plaster of Paris
D. Gypsum
A. Egg yolk, butter, cheese, cream, milk
B. Butter, ghee, cheese, egg yolk, cream
C. Cream, cheese, condensed milk, egg (whole), cow milk
D. Ghee, butter, egg yolk, cheese, condensed milk
A. Alum
B. Charcoal
C. Kieselguhr
D. Potassium permanganate
A. With rubber gloves they can hold wires properly.
B. Rubber is a bad conductor of electricity and electrician does not get electricuted.
C. It helps in the smooth flow of the current.
D. None of these
A. It absorbs the charges released by lightening.
B. It helps the charge to pass into the earth without damaging the building.
C. It scatters the charge from lightening.
D. None of these
A. The current passes into the earth through the man's body. As the circuit is complete it burns the body.
B. The current stops the flow of blood through the heart.
C. It affects the nervous system and so kills brain cells.
D. None of these
A. Two blankets have more wool and so warmer
B. Two blankest enclose air which does not allow the cold to penetrate.
C. Two blankets compress the air in between the body and the blankets and this compression produces heat.
D. None of these
A. As the electricity passes into the bulb its glass begins to shine.
B. As electricity passes in the vacuum of the bulb it changes into heat, so glows.
C. The current passes through a tungsten wire of high resistance which becomes so hot as to glow.
D. None of these