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- 1. Multiple Choice
A student mixes 125 grams of sugar, 250 grams of water and 5 grams of flavoring. The solution weighs...
250 grams
380 grams
375 grams
400 grams
- 2. Multiple ChoiceMatter can not be created nor destroyed: it can only beDestroyed a little bitInvisibleTransformed, changedNone of the above
- 3. Multiple ChoiceWhich of these is not a chemical reaction?Burning of woodMilk going badMixing vinegar and baking sodaMelting of ice
- 4. Multiple ChoiceA precipitate is aliquid that forms when two solids are reacteda solid that forms when two liquids are mixeda gas that forms when vinegar and baking soda reacta change of color in a solution
- 5. Multiple ChoiceIf reaction starts with 20g of reactants it should producea total of 40g of productsa total of 10g of productsa total of 80 g of productsa total of 20g of products
- 6. Multiple ChoiceWhat will weigh more when a chemical change is complete? The reactants before the chemical reaction, or the product after the reaction is complete?They both will weigh the sameThe product always weighs more than the reactantThe reactant will weigh more than the productThey both will loose mass after the reaction
- 7. Multiple ChoiceJamie weighs a glass of water and observes its weight to be 12 ounces. Jamie then adds 6 ice cubes to the glass of water. Each ice cube weighs one ounce. After all of the ice cubes have melted, what will be theapproximate weight of the glass of water?61218 ounces
- 8. Multiple Choice
What do we call the chemicals that result from a chemical reaction?
reactants
products
subscripts
coefficients
- 9. Multiple Choice
According to the Law of Conservation of Mass, what happens to the wood and oxygen when it is burned?
The wood disappears.
It stays the same chemically.
The atoms in the wood and oxygen rearrange and form smoke and ash.
Nothing.
- 10. Multiple Choice
________ are the starting substances in a chemical equation.
Reactants
Producer
Reaction
Products
- 11. Multiple Choice
The law of conservation of mass states that ________
the total mass of reactants is more than the total mass of products
the mass of a chemical reaction is not constant
the mass of a chemical reaction remains constant
the total mass of reactants is less than the total mass of products
- 12. Multiple Choice
The Law of Conservation of Mass States
Energy cannot be created nor destroyed, it can only change form.
Mass cannot be created nor destroyed, it can only change form.
Mass can be created or destroyed, it cannot change form.
- 13. Multiple ChoiceMeasure of the amount of mattermassvolumeweightdensity
- Answer choicesTagsAnswer choicesTags