Matter can not be created nor destroyed: it can only be
Law of conservation of mass

Quiz
•
Chemistry
•
10th Grade
•
Medium
RANI ANIL
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If reaction starts with 20g of reactants it should produce
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a reaction A + B ----> C, reactant A has 5g and product C has 9g. How many grams does reactant B should have?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bob puts 200 grams of ice into a pitcher with 900 grams of water. He gets distracted and comes back later to find that the ice has melted in the water. How many grams of water does Bob now have in the pitcher?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
__ are the starting substances in a chemical equation.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considering the reaction given , how much zinc was present in the zinc carbonate?
64 grams
110 grams
104 grams
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many oxygen atoms are in
Fe(NO3)2
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