EASY
9th Maharashtra Board
IMPORTANT
Earn 100

Give examples of bivalent acidic radicals. 

Important Questions on Measurement of Matter

EASY
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 4 - Measurement of Matter>Exercise>Q 1

Give examples of trivalent basic radicals.

MEDIUM
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 4 - Measurement of Matter>Exercise>Q 2

Write symbols of the following elements and the radicals obtained from them, and indicate the charge on the radicals.

Mercury, potassium, nitrogen, copper, sulphur, carbon, chlorine, oxygen.

MEDIUM
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 4 - Measurement of Matter>Exercise>Q 3

Write the steps in deducing the chemical formula of sodium sulphate.

MEDIUM
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 4 - Measurement of Matter>Exercise>Q 3

Write the steps in deducing the chemical formula of potassium nitrate.

MEDIUM
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 4 - Measurement of Matter>Exercise>Q 3

Write the steps in deducing the chemical formula of ferric phosphate.

MEDIUM
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 4 - Measurement of Matter>Exercise>Q 3

Write the steps in deducing the chemical formula of calcium oxide.

MEDIUM
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 4 - Measurement of Matter>Exercise>Q 3

Write the steps in deducing the chemical formula of aluminium hydroxide.

EASY
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 4 - Measurement of Matter>Exercise>Q 4

Explain how the element sodium is monovalent.