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