${\mathrm{Mn}}_2{\mathrm{O}}_7$ is an acidic oxide.

Important Questions on Acids, Bases and Salts

MEDIUM

10th CBSE

IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 2 - Acids, Bases and Salts>Exercise 7>Q 17

$\mathrm{ZnO}$ is an amphoteric oxide.

MEDIUM

10th CBSE

IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 2 - Acids, Bases and Salts>Exercise 7>Q 18

${\mathrm{CaOCl}}_2$ has two anions ${\mathrm{Cl}}^{-}$ and ${\mathrm{ClO}}^{-}$.

MEDIUM

10th CBSE

IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 2 - Acids, Bases and Salts>Exercise 7>Q 19

${\mathrm{H}}^{+}$ concentration decreases, $\mathrm{pH}$ increases.

MEDIUM

10th CBSE

IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 2 - Acids, Bases and Salts>Exercise 7>Q 20

Alums are double salts.

MEDIUM

10th CBSE

IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 2 - Acids, Bases and Salts>Exercise 7>Q 21

${\mathrm{Ca}}_3({\mathrm{PO}}_4{)}_2$ is an essential constituent of tooth enamels.

MEDIUM

10th CBSE

IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 2 - Acids, Bases and Salts>Exercise 7>Q 22

A complex salt may have complex cation or complex anion.

EASY

10th CBSE

IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 2 - Acids, Bases and Salts>Exercise 7>Q 23

Oxalic acid is present in tomatoes.

MEDIUM

10th CBSE

IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 2 - Acids, Bases and Salts>Exercise 7>Q 24

All salts are strong electrolytes.