Reactivity - Quiz 1
Quiz by Mr Lee
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- Q 1/10Score 0Reactivity is...29the formation of new compoundsthe ease with which a substance will react with another substancechanging the physical state of a substancedoing an activity twice
10 questions
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- Q1Reactivity is...the formation of new compoundsthe ease with which a substance will react with another substancechanging the physical state of a substancedoing an activity twice30s
- Q2When water is heated to form steam this process is called...boilingevaporationcoolingcondensing30s
- Q3When water is cooled to form ice this process is called...evaporationboilingfreezingcooling30s
- Q4Melting chocolate is a...physical changechemical change30s
- Q5The rusting of iron is a...chemical changephysical change30s
- Q6A physical change is always...not easily reversible and involves the formation of no new substanceseasily reversible and involves the formation of no new substanceseasily reversible and involves the formation of new substancesnot easily reversible and involves the formation of new substances30s
- Q7Chemical changes...do not involve the formation of new substances and are easily reversed.always involve the formation of one or more new substances and are easily reversed.do not involve the formation of new substances and are not easily reversed.always involve the formation of one or more new substances and are not easily reversed.30s
- Q8Chemical changes usually involve at least one of the following...a change in appearance, a detectable energy change, the production of a gasa change in pH, a detectable energy change, the production of a gasa change in appearance, a detectable energy change, the production of a liquida change in appearance, a detectable gas, the production of a flame30s
- Q9When metals react with oxygen they form...a metal carbonatea metal oxidea metal sulphatea metal chloride30s
- Q10Ionic compounds such as sodium chloride a formed by the attractive forces between...positively charged metal ions and negatively charged non-metal ionspositively charged metal ions and positively charged non-metal ionspositively charged non-metal ions and negatively charged metal ionsnegatively charged non-metal ions and negatively charged metal ions30s
