Scalding with steam is more severe than scalding by boiling water because_______?

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

In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as____________?

A. Electroplating
B. Annealing
C. Galvanization
D. Vulcanization

Detergents dissolved in water help in cleaning clothes by_________?

A. Increasing the temperature of water
B. Reacting chemically with dirt
C. Reducing the surface tension of water
D. Dissolving dirt

The absorption of ink by blotting paper involves__________?

A. Viscosity of ink
B. Capillary action phenomenon
C. Diffusion of ink through the blotting
D. Siphon action

Materials for rain-proof coats and tents owe their water proof properties to________?

A. Surface tension
B. Viscosity
C. Specific gravity
D. Elasticity

The theory of Expanding Universe was first propounded by____________?

A. Einstein
B. Newton
C. Gahleo
D. Hubble

An instrument to detect the purity of milk is____________?

A. Lactometer
B. Hygrometer
C. Manometer
D. Sonometer

Coulomb is the scientific unit to measure?

A. Velocity
B. Temperature
C. Mass
D. None of these

Who proposed this concept “All motion is relative”?

A. Albert einstein
B. John kepler
C. Galileo galilie
D. None

The field of specialization of famous Muslim scientist Abu Usman Aljahiz was?

A. Botany
B. Zoology
C. Astronomy
D. None