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