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