Science Test 4 General Science Aptitude
Science Test 4 General Science Aptitude
Question 21
The cracking sound heard when dry hair is combed with a hard rubber comb is due to_____?
The cracking sound is due to static electricity discharges, not the listed options.
Not clear enough?
Question 22
Detergents dissolved in water help in cleaning clothes by_____?
Detergents clean by reducing the surface tension of water, allowing dirt to be removed.
Not clear enough?
Question 23
The absorption of ink by blotting paper involves_____?
Ink is absorbed by blotting paper due to capillary action.
Not clear enough?
Question 24
Materials for rain-proof coats and tents owe their water proof properties to_____?
Waterproof properties are due to surface tension effects in the coated material.
Not clear enough?
Question 25
A satellite moving round the earth with a uniform speed has_____?
A satellite in orbit has accelerated motion because its direction changes continuously.
Not clear enough?
You might like
The concept of environmental balance can be taken to mean that an alteration in one of the components of the ecosystem may result in the?
When sodium trioxocarbonate (IV) decahydrate loses its water of crystallization to the atmosphere, the process is
Identify the type of well that is equipped with pressure monitoring systems to determine the extent of propagation of the pressure transient from the producing wells into the reservoir
Choose the option opposite in meaning to the word(s) or phrase in italics. The Journalist said he was working freelance