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