Question 1

Identify the reactants

H₂+O₂------> H₂O

Accepted Answer

H₂ and O₂

Answer

H₂O and O₂

Answer

O2

Answer

H2 and H₂O

Question 2

Identify the products

H₂+O₂------> H₂O

Accepted Answer

H2O

Answer

H₂ and O₂

Answer

O2

Answer

H2 and H₂O

Question 3

Identify the products

Na+Cl₂→NaCl

Accepted Answer

NaCl

Answer

Na

Answer

Cl2

Answer

Na and Cl₂

Question 4

Identify the reactants

Na+Cl₂→NaCl

Accepted Answer

Na and Cl₂

Answer

NaCl

Answer

Cl2

Answer

Na

Question 5

Identify the reactants

C+O₂→CO₂

Accepted Answer

C and O2

Answer

CO2

Answer

O2

Answer

C

Question 6

Identify the products

C+O₂→CO₂

Accepted Answer

CO2

Answer

O2

Answer

C and O2

Answer

C

Question 7

How many H atoms are in 2H₂O

Accepted Answer

4

Answer

0

Answer

2

Answer

1

Question 8

How many O atoms are in 2Fe₂O₃

Accepted Answer

6

Answer

2

Answer

3

Answer

4

Question 9

What should be the coeffcient in the product for this chemical equation? 2H₂+1O₂→_________H₂O

Accepted Answer

2

Answer

3

Answer

4

Answer

6

Question 10

What should be the coeffcient in the product for this chemical equation? 2Na+1Cl₂→ _______NaCl

Accepted Answer

2

Answer

4

Answer

6

Answer

3

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