A) virtue of its position B) static body C) All of the above D) moving body
A) Joules B) Newton C) Newton metre D) kilogram
A) 40j B) 20j C) 10j D) 30j
A) chemical potential energy B) Nuclear potential energy C) electrical potential energy D) mechanical potential energy
A) rest B) all of the above C) none of the above D) motion
A) Newton B) joules C) meter D) seconds
A) earth B) Uranus C) Mercury D) Jupiter
A) Saturn B) Mars C) Mercury D) Pluto
A) earth B) Jupiter C) Neptune D) Saturn
A) Mars B) Saturn C) Mercury D) Jupiter
A) all of the above B) stars and galaxies C) energy and power D) planets and moon
A) 364 B) 366 C) 365 D) 363
A) 380j B) 350N C) 38m D) 450j
A) 366 days B) 367 days C) 365.24days D) 365 days
A) soil erosion B) farming C) rainfall D) bush burning
A) work B) walk C) job D) chore
A) transportation, transpiration and evaporation B) All of the above C) evaporation, condensation and precipitation D) conducting, convection and radiation
A) none of the above B) ultraviolet and infrared C) white and black D) visible and invisible
A) electromagnetic radiation B) electrical magnet radio C) electronic management radiation D) electromagnetic radio
A) gully B) sheet C) slurry D) rill
A) Livings things B) Man C) Human D) Woman
A) cover crops B) covering sheet C) cover D) mulching
A) terracing B) blocking C) all of the above D) fencing
A) avoid overgrazing B) planting of cover crops C) mulching D) deforestation
A) 79% B) 76% C) 78% D) 77%
A) radiation B) condensation C) evaporation D) precipitation
A) air B) food C) water D) fuel
A) nitrogen cycle B) water cycle C) carbon cycle D) oxygen cycle
A) agricultural B) ecological C) economical D) humanitarian
A) collection B) collation C) harvesting D) conversation
A) liquid B) water C) air D) fuel
A) primary and secondary hardness B) tertiary and primary hardness C) permanent and temporary hardness D) stable and unstable hardness
A) impure substance B) none of the above C) two pure substances D) pure substance
A) all of the above B) chemical test C) homogeneity D) melting and boiling points
A) purity B) clean substance C) neat substance D) pure substance
A) potential of hydrogen oxide B) potential of hydrogen C) potential of hydrogen peroxide D) potential of helium
A) ammoniation B) fluoridation C) coagulation D) filtration
A) magnesium and aluminum B) aluminum and manganese C) sulphur and ammonium D) calcium and magnesium
A) boiling B) ion exchange resin C) washing soda D) caustic soda
A) true B) maybe C) false D) none of the above
A) addition of washing soda B) boiling C) using of fluoride D) using of slaked lime
A) adding of ammonium B) adding of chlorine C) adding of magnesium D) adding of aluminum
A) clarify the water B) improve taste C) remove hardness D) increase pH
A) lime treatment B) ammoniation C) chlorination D) transpiration
A) kilogram B) joules C) Newton D) kilometer
A) maintains soil texture B) lead to collapse of buildin C) loss soil fertility D) destroy soil structure
A) air pollution B) water pollution C) sand pollution D) land pollution
A) condensation B) evaporation C) convection D) precipitation
A) 3000j B) 3kj C) 300j D) 30j
A) laboratory chemicals B) nuclear chemicals C) agrochemicals D) pharmaceutical chemicals |