Home - Chemistry - Acids and Bases

Acids and Bases Online Exam Quiz

Important questions about Acids and Bases. Acids and Bases MCQ questions with answers. Acids and Bases exam questions and answers for students and interviews.

When an acid (H+) is added to alkali (OH-), product is


A : a. hydroxides

B : b. water

C : c. salts

D : d. hydrogen gas

K?O + H?O ?


A : a. K(OH)?

B : b. KOH

C : c. KOH.H?O

D : d. KO + H? + O?

Mineral acids are


A : a. naturally occurring

B : b. man made

C : c. include malic acid

D : d. include formic acid

Excess acidity caused by acid rain can be neutralized by adding


A : a. more fertilizers

B : b. by removing the acidified soil

C : c. by adding P?O?

D : d. by adding lime

More corrosive acid is


A : a. H?CO?

B : b. H?SO?

C : c. HNO?

D : d. C?H?O?

NaOH + HCl ?


A : a. Na(OH)? + H?

B : b. NaCl + H?

C : c. NaCl + H?O

D : d. NaCl + H? + O?

Phosphoric acid has formula


A : a. H?PO?

B : b. H?PO?

C : c. H?PO?

D : d. H?PO?

In Universal indicators, red color shows


A : a. strong acids

B : b. strong alkalis

C : c. weak acids

D : d. weak bases

Bases (OH-) are


A : a. corrosive

B : b. turn litmus from blue to red

C : c. turn litmus from red to blue

D : d. non-metal oxides

Acids (H+) reacts with metal hydroxides (-OH-) to from


A : a. salt and water

B : b. salt and hydrogen gas

C : c. salt and hydrogen oxides

D : d. salt and alkali

Apples contain


A : a. citric acid

B : b. malic acid

C : c. tartaric acid

D : d. acetic acid

Consider equation P?O?? + H?O ? H?PO?. number of moles of H?PO? produced by reaction are


A : a. 2

B : b. 4

C : c. 6

D : d. 8

An alkali (OH-) is a


A : a. water soluble base

B : b. water insoluble base

C : c. oil soluble base

D : d. oil insoluble base

In Universal indicators, a pH of 7 is shown with


A : a. yellow color

B : b. green color

C : c. blue color

D : d. pink color

Chemical formula of Caustic soda is


A : a. NaOH

B : b. KOH

C : c. MgO

D : d. Ca(OH)?

Bleach has an approximate of


A : a. 5

B : b. 8

C : c. 11

D : d. 14

In Universal indicators, weak alkalis are indicated through


A : a. turquoise color

B : b. blue color

C : c. light violet color

D : d. all of these

Orange juice is


A : a. acidic

B : b. alkaline

C : c. neutral

D : d. basic

Best indicator of all is


A : a. litmus indicator

B : b. universal indicator

C : c. methyl orange indicator

D : d. Phenolphthalein indicators

Consider equation PbO + HCl ? PbCl? + H?O. Moles of HCl required to balance equation are


A : a. 1

B : b. 2

C : c. 3

D : d. 4

Chemistry more Online Exam Quiz

Copyright © 2021
Exam-GK-MCQ-Questions.Com | Contact Us | Privacy Policy | Terms of Use | Sitemap | 0.018589973449707