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reactions of acid and base

Authored by Di Duan

Chemistry

10th Grade

reactions of acid and base
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28 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

NH3 + H2O → NH4+ + OH-

NH3 is a

Acid

Base

salt

water

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a neutralization reaction?

2Na + Cl2 → 2NaCl

CH4 + 2O2 → CO2 + 2H2O

HCl + KOH → KCl + H2O

CaCO3 → CO2 + CaO

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Four substances were tested for pH, lemon juice (pH 2), baking soda (pH 9), bleach (pH 12), and milk (pH 6). Which of the following correctly lists the substances from most basic to acidic?

lemon juice, milk, baking soda, bleach

bleach, baking soda, milk, lemon juice

milk, lemon juice, baking soda, bleach

baking soda, bleach, lemon juice, milk

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Predict the products of this reaction.

HCl + Ca(OH)2

NaCl

CaCl2

CaCl2 + H2O

H2O

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hydrochloric acid (HCl) is known as a strong acid. Which statement describes a strong acid after dissolving in solution?

few H+ ions: many acid molecules

many H+ ions; few acid molecules

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which salt is formed in a reaction between HBr and LiOH?

LiBr

BrLi

NaCl

NaOH

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An acid reacts with metal to produce 

Carbon dioxide 
Hydrogen gas
Hydrogen gas and water 
Salt and hydrogen gas 

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