1) How do you classify matter, only one is right. a) Coumpound b) Smell c) Matter d) Element e) Neutron f) Proton 2) Why should one separate a mixture? a) Different products and substances are made by separating mixtures. b) Separating mixtures will let people eat healthy  c) Separating a mixture helps animals and pollution. d) Separating a mixture helps us get muscles. 3) What's the difference between diluted and concentrated? a) Dilute and Concentration are synonyms, they mean there is barely any solute. b) Dilute and concentrated are antonyms and diluted means barely and solute and concentrated is when there is a lot of solute. c) Diluted means all the spaces between particles are filled and concentrated means the opposite. 4) What happens when a supersaturated solution cool?  a) The solute falls out b) The solute gets disolved c) The solution explodes d) The solute and solvent get separated like water and oil. 5) What are the three states of matter? a) Solid, texture, liquid b) solid, colour, gas, c) Solid, liquid, gas, d) Gas, liquid, sophisticated.

IDK

由
列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?