Grade 7-Chemistry-Chapter5_6
Quiz by Rouba Jabbour
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20 questions
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- Q1An alloy is__________a liquid solutiona solid solutiona suspensiona colloid30s
- Q2An example of a colloid is ____________dental amalgamalloywater+sugarmilk30s
- Q3A solution is a mixture with ingredients that ___________________cannot be physically separated from each othersettle downclump together in solutionalways react chemically to form a new substance30s
- Q4What is one property of a suspension that is different from that of a solution or a colloid?The particles of a suspension reflect lightIf left to rest, the particles of a suspension will settle outA suspension is always clearSuspensions are colorless30s
- Q5Which of the following is a solution?milksugar and watermayonnaiseketchup30s
- Q6Muddy water is an example of__________a colloid.a solid liquid solutiona liquid solution.a suspension.30s
- Q7Which of the following is an example of colloid?muddy watersoft drinkfogwater+coffee30s
- Q8which of the following don't settle down?solutions and colloidssuspensions and solutionssuspensionssuspensions and colloids30s
- Q9Tyndall effect can be observed with_________suspensions only.suspensions and solutions.colloids and suspensions.colloids and solutions.30s
- Q10Which of the following mixtures can be separated by using a filter paper?colloidssuspensionssolutionssuspensions and colloids30s
- Q11Which of the following mixtures do not scatter light?solutions and colloidssolutions onlysuspensions onlycolloids only30s
- Q12Which of the following mixtures has the tiniest particles?solutionscolloidssuspensionscolloids and solutions30s
- Q13__________ are always considered opaque.colloidssolutionssuspensions and colloidsSuspensions30s
- Q14Which of the following mixtures are considered to be always homogeneous mixtures?colloidssolutionssuspensionscolloids and solutions30s
- Q15In a solution, the substance dissolved is thephasesoluteconcentrationsolvent30s