Quiz about Understanding Concept

Question 1

What type of reaction is the following:
$$BaCl_2+2KI\ ->\ 2KCl\ +\ BaI_2$$

Accepted Answer

Double Replacement

Answer

Combination

Answer

Decomposition

Answer

Single Replacement

Answer

Combustion

Question 2

What type of reaction is the following:
$$C_{11}H_{24}+17O_2->\ 11CO_2\ +\ 12H_2O$$

Accepted Answer

Combustion

Answer

Combination

Answer

Decomposition

Answer

Single Replacement

Answer

Double Replacement

Question 3

What type of reaction is the following:
$$2KI\ ->\ 2K\ +\ I_2$$

Accepted Answer

Decomposition

Answer

Combination

Answer

Single Replacement

Answer

Double Replacement

Answer

Combustion

Question 4

What type of reaction is the following:
$$2NaHCO_3->\ Na_2CO_3+CO_2+H_2O$$

Accepted Answer

Decomposition

Answer

Combination

Answer

Single Replacement

Answer

Double Replacement

Answer

Combustion

Question 5

What type of reaction is the following:
$$Zn\ +\ 2HCl\ ->\ ZnCl_2+H_2$$

Accepted Answer

Single Replacement

Answer

Combination

Answer

Decomposition

Answer

Double Replacement

Answer

Combustion

Question 6

What type of reaction is the following:
$$2C_4H_{10}\ +13O_2\ ->\ 8CO_2+10H_2O$$

Accepted Answer

Combustion

Answer

Combination

Answer

Decomposition

Answer

Single Replacement

Answer

Double Replacement

Question 7

What type of reaction is the following:
$$Na_2S\ +2HCl\ ->\ H_2S+2NaCl$$

Accepted Answer

Double Replacement

Answer

Combination

Answer

Decomposition

Answer

Single Replacement

Answer

Combustion

Question 8

Identify the following chemical reaction.

Pb + FeSO₄ ----> PbSO₄ + Fe

Accepted Answer

Single displacement

Answer

Synthesis (or combination)

Answer

Decomposition

Answer

Double displacement

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