Maharashtra Board Solutions for Chapter: Substances in Common Use, Exercise 8: Exercises

Author:Maharashtra Board

Maharashtra Board Science Solutions for Exercise - Maharashtra Board Solutions for Chapter: Substances in Common Use, Exercise 8: Exercises

Attempt the practice questions on Chapter 14: Substances in Common Use, Exercise 8: Exercises with hints and solutions to strengthen your understanding. Science and Technology Standard Nine solutions are prepared by Experienced Embibe Experts.

Questions from Maharashtra Board Solutions for Chapter: Substances in Common Use, Exercise 8: Exercises with Hints & Solutions

EASY
9th Maharashtra Board
IMPORTANT

The chemical name of baking soda is _____.

EASY
9th Maharashtra Board
IMPORTANT

Which diseases are caused by artificial food colours?

EASY
9th Maharashtra Board
IMPORTANT

What type of colours will you use to celebrate eco friendly Rang Panchami? Why?

EASY
9th Maharashtra Board
IMPORTANT

Why has the use of methods like Teflon coating become more common?

MEDIUM
9th Maharashtra Board
IMPORTANT

Give scientific explanation:

The hard water of a well becomes soft on adding washing soda to it.

MEDIUM
9th Maharashtra Board
IMPORTANT

Give scientific explanation:

The particles of powder are given an electric charge while spraying them to form the powder coating.

MEDIUM
9th Maharashtra Board
IMPORTANT

Write briefly about the three methods of electrolysis of sodium chloride.

MEDIUM
9th Maharashtra Board
IMPORTANT

Write the harmful effects of radioactive substances.