Priyanka B Solutions for Chapter: Sample Paper, Exercise 1: Sample Paper 3

Author:Priyanka B

Priyanka B Chemistry Solutions for Exercise - Priyanka B Solutions for Chapter: Sample Paper, Exercise 1: Sample Paper 3

Attempt the practice questions on Chapter 6: Sample Paper, Exercise 1: Sample Paper 3 with hints and solutions to strengthen your understanding. Essentials of Chemistry solutions are prepared by Experienced Embibe Experts.

Questions from Priyanka B Solutions for Chapter: Sample Paper, Exercise 1: Sample Paper 3 with Hints & Solutions

EASY
9th CBSE
IMPORTANT

What would you observe when a mixture of iron filings and sulphur powder is heated strongly.

HARD
9th CBSE
IMPORTANT

With the help of a labelled diagram, describe an activity to show that the particles of matter are very small. Use the following material that has been provided to you: beakers, spatula, test-tubes, distilled water and a few crystals of potassium permanganate.
 

MEDIUM
9th CBSE
IMPORTANT

An atom of an element has two electrons in outermost M shell. State its 
(a) Electronic configuration
(b) Number of protons 
(c) Atomic number
(d) Valency
(e) Nature whether metal or non-mental 
(f) Name.

HARD
9th CBSE
IMPORTANT

Write the formulae for the following and calculate the molecular mass for each one of them.
(A) Caustic potash 
(B) Baking powder 
(C) Limestone
(D) Caustic soda 
(E) Ethanol
(F) Common salt

EASY
9th CBSE
IMPORTANT

What is your observation in the following case:

Burning of magnesium in air.

HARD
9th CBSE
IMPORTANT

What is your observation in the following case:

Heating of lead nitrate.

MEDIUM
9th CBSE
IMPORTANT

What is your observation in the following case:

Sodium sulphate solution reacting barium chloride solution.

MEDIUM
9th CBSE
IMPORTANT

What is your observation in the following case:

Iron reacting with copper sulphate solution in water.