V K Sally and R Goel Solutions for Chapter: Is Matter Around Us Pure?, Exercise 5: ASSIGNMENTS FOR FORMATIVE ASSESSMENT
V K Sally Chemistry Solutions for Exercise - V K Sally and R Goel Solutions for Chapter: Is Matter Around Us Pure?, Exercise 5: ASSIGNMENTS FOR FORMATIVE ASSESSMENT
Attempt the practice questions on Chapter 2: Is Matter Around Us Pure?, Exercise 5: ASSIGNMENTS FOR FORMATIVE ASSESSMENT with hints and solutions to strengthen your understanding. Core science chemistry solutions are prepared by Experienced Embibe Experts.
Questions from V K Sally and R Goel Solutions for Chapter: Is Matter Around Us Pure?, Exercise 5: ASSIGNMENTS FOR FORMATIVE ASSESSMENT with Hints & Solutions
You are given a mixture of ammonium chloride, sand and common salt for separation. A student first dissolved the mixture in water then filtered to remove sand.
(i) Will the student be able to separate ammonium chloride from sodium chloride?
(ii) Give a reason for your answer in (i).
(iii) Suggest an alternative procedure to separate the constituents of the mixture.
On a cold morning, Abhay noticed that the smoke coming out of the chimney of a mill is bluish in colour.
(i) Is the smoke really blue in colour?
(ii) Which phenomenon makes the smoke blue?
(iii) Who discovered the phenomenon in (ii)?
Which is the dispersed phase and dispersing medium in the following in terms of solid, liquid and gas?
(i) Mist (ii) Smoke (iii) shaving cream (iv) mud (v) rubber (vi) butter (vii) gemstone.
Example of foam is _____. (froth/ cheese)
