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