Counting Atoms Question Preview (ID: 54797)
Law Of Conservation Of Matter.
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How many atoms of Carbon are present? C6H12O6
a) 6
b) 12
c) 24
d) 2
What compound does C6H12O6 make?
a) Rust
b) Glucose
c) Water
d) Lead
2NaCl makes what compound?
a) Iron
b) Rust
c) Table Salt
d) Glucose
How many atoms of Sodium are present in 2NaCl?
a) 2
b) 4
c) 1
d) 6
Which compound makes rust?
a) C6H12O6
b) Fe2O3
c) NaCl
d) CO2
Which compound makes oxygen gas?
a) N2
b) CO2
c) H2O
d) O2
How many atoms of Oxygen are present in 2H2O
a) 4
b) 6
c) 2
d) 1
How may molecules of water are present in 7H2O
a) 14
b) 8
c) 7
d) 1
How may atoms of Hydrogen are present in 2C6H12O6?
a) 24
b) 12
c) 16
d) 88
How many atoms of oxygen are needed to make water?
a) 1
b) 2
c) 3
d) 4
H2+ O2 ---- 2H2O Which is the reactant?
a) 2H2O
b) -----
c) H2+ O2
d) H2
H2+ O2 ---- 2H2O Which is the product?
a) 2H2O
b) H2+ O2
c) ---
d) O6
What is the name of the arrow in a chemical equation?
a) arrow
b) yield
c) product
d) reactant
The reactant is always on the ____ side of a chemical equation.
a) left
b) right
c) middle
d) none of the above
The product is always on the ____ side of a chemical equation.
a) left
b) right
c) yield
d) none of the above
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