*Nitrogen. Water*4*33*1*

#752

*!NITROGEN

*a solid substance

*a tasty substance

*+a neutral substance

*a metallic substance

*a semisolid substance

*+a transparent substance

#753

*!WATER ELEMENTS

*nitrogen

*methane

*propane

*+oxygen

*uranium

*+hydrogen

#754

*!THE COMMON WORDS FOR THIS GROUP

*+gases

*nitrogen

*oxygen

*propane

*uranium

*hydrogen

*+chemical substances

#755

*!WATER IS PURIFIED BY

*+boiling

*burning

*melting

*heating

*+distillation

*distribution

#756

*!THE COMMON WORDS FOR THIS GROUP

*oxygen

*nitrogen

*uranium

*+elements

*hydrogen

*+chemical substances

#757

*!THE SYNONYMS TO THE WORD “EVAPORATION”

*gas

*fog

*smog

*fume

*+steam

*+vapour

#758

*!THE BOILING WATER KILLS

*pills

*burns

*steam

*+germs

*pellets

*+microbes

#759

*!NITROGEN EXISTS IN THE STATE OF COMBINATION IN

*zinc

*+nitre

*carbon

*calcium

*mercury

*+potassium nitrate

#760

*!WATER CONSISTS OF

*+oxygen

*mercury

*uranium

*nitrogen

*propane

*+hydrogen

#761

*!IN CHEMICAL LABORATORIES WATER

*is melt

*is heated

*+is boiled

*is indicated

*+is purified

*+is distilled

*is distributed

*is disappeared

#762

*!THE SYNONYMS TO THE WORD “VOLUME”

*+pint

*mass

*height

*weight

*length

*+capacity

#763

*!THE COMMON WORDS FOR THIS GROUP

*carbon

*nitrogen

*mercury

*phosphorus

*+chemical elements

*+chemical substances

#764

*!WORDS IN THE PLURAL FORM

*burn

*water

*+gases

*liquid

*+flasks

*+nitrates

*nitrogen

*combustion

#765

*!WORDS IN THE SINGULAR FORM

*salts

*plants

*germs

*+water

*+nitrogen

*substances

#766

*!...IS AN INVISIBLE COLORLESS GAS

*water

*+steam

*solid ice

*sea water

*sweet-water

*+water vapor

#767

*!LIQUID WATER …0ºC INTO CRYSTALLINE ICE

*boils

*melts

*changes

*+freezes

*dissolves

*+refrigerates

#768

*!THE ANTONYMS TO THE WORD “FREEZE”

*+heat

*soak

*+melt

*steep

*remove

*refrigerate

#769

*!THE NAMES OF GASES

*tin

*zinc

*iron

*lead

*+oxygen

*+hydrogen

*+nitrogen

*mercury

#770

*!WATER

*a tasty liquid

*a sticky liquid

*a colored liquid

*an odorous liquid

*+an odourless liquid

*+a colourless liquid

#771

*!THE WAYS OF PURIFYING WATER

*by burning

*by melting

*by heating

*by soaking

*+by boiling

*+by distillation

#772

*!WATER IS

*a solid substance

*+a liquid substance

*a metallic substance

*an odorous substance

*a semisolid substance

*+a compound substance

#773

*!MICROORGANISMS

*pint

*steam

*vapor

*odour

*+germ

*+microbe

#774

*!THE WORDS CLOSED TO THE MEANING “GERM”

*solid

*vapour

*liquid

*element

*+bacteria

*+microbe

#775

*!THE ANTONYMS TO THE WORD “DISAPPEAR”

*soak

*+occur

*reveal

*+appear

*continue

*distribute

#776

*!THE SYNONYMS TO THE WORD “NUTRITION”

*germ

*+nutriment

*aggregation

*distribution

*purification

*+nourishment

#777

*!NOUNS IN THIS GROUP OF WORDS

*nutrient

*nutritive

*nutritious

*+nutrition

*+nutriment

*nutritionist

#778

*!ADJECTIVES IN THIS GROUP OF WORDS

*nutria

*nutriment

*+nutritive

*nutrition

*+nutritious

*nutritionist

#779

*!BOILING WATER HELPS US TO GET RID OF

*odor

*taste

*steam

*+germs

*colour

*+bacteria

#780

*!WE NEED …TO WORK WITH CHEMICAL SUBSTANCES

*sticky water

*+boiled water

*polluted water

*ordinary water

*+distilled water

*contaminated water

#781

*!NOUNS IN THIS GROUP OF WORDS

*distribute

*+distribution

*distributive

*+distributor

*distributed

*distributing

#782

*!PURIFYING WATER IS ACHIEVED

*by heating

*+by boiling

*by removing

*by supporting

*by combining

*+by distillation

#783

*!NITROGEN IS REDUCED TO THE LIQUID AND SOLID STATE

*by fume

*+by cold

*by warm

*by boiling

*+by pressure

*by distribution

#784

*!NITROGEN IS REDUCED TO…STATE

*FREE

*+SOILD

*TOXIC

*LITMUS

*+LIQUID

*SEMISOLID