S N Jha, Geeta Negi and, Neelima Jain Solutions for Chapter: Practice Assignment (Based on Chapter 5 — Separation of Substances), Exercise 1: PRACTICE ASSIGNMENT (Based on Chapter 5 — Separation of Substances)
S N Jha Science Solutions for Exercise - S N Jha, Geeta Negi and, Neelima Jain Solutions for Chapter: Practice Assignment (Based on Chapter 5 — Separation of Substances), Exercise 1: PRACTICE ASSIGNMENT (Based on Chapter 5 — Separation of Substances)
Attempt the free practice questions on Chapter 26: Practice Assignment (Based on Chapter 5 — Separation of Substances), Exercise 1: PRACTICE ASSIGNMENT (Based on Chapter 5 — Separation of Substances) with hints and solutions to strengthen your understanding. Science Success solutions are prepared by Experienced Embibe Experts.
Questions from S N Jha, Geeta Negi and, Neelima Jain Solutions for Chapter: Practice Assignment (Based on Chapter 5 — Separation of Substances), Exercise 1: PRACTICE ASSIGNMENT (Based on Chapter 5 — Separation of Substances) with Hints & Solutions
Most of the substances, which are found in nature, contain some harmful or unwanted substances.
Why is it necessary to separate the constituents of a mixture? Discuss with examples.
What do you mean by evaporation and condensation? Describe a mixture in which these method are used for separating its constituents.
What do you mean by filtration? In which case this method is used? Describe an experiment in which the process of filtration is used to separate the constituents of a mixture.
What is distillation? In which kind of mixture this kind of separation is used? How can you separate immiscible liquids by using a separating funnel?
On which condition are the sedimentation and decantation methods used to separate a mixture. Explain the methods briefly.
How will you obtain clear water from the muddy water, if you are provided with two glass tumble and no other apparatus?
Match the items of column A with those of column B.
| Column A | Column B |
| 1.The process of removing unwanted particles by hand. | (a) Sedimentation |
| 2. The process of separating the constituent of a mixture is of different sizes. | (b) Evaporation |
| 3. The process in which insoluble particles settle down at the bottom when allow standing. | (c) Handpicking |
| 4. The process of separation of the insoluble solid constituents of a mixture, from a liquid passing through a suitable porous material. | (d) Sieving |
| 5. The process in which a liquid changes into gaseous state on gentle heating. | (e) Filtration |
