Question 1 What is a saturated solution? Explain with example? Question 2 What is the effect of temperature on saturated solution? Question 3 Define the term solubility. Give example? Also Read NCERT Solutions for Chapter 5 Separation of Substances When we dissolve a substance in water then a solution is formed. A given quantity of water can dissolve only a certain … [Read more...] about Saturated Solution
Separation of Substances
Evaporation, Distillation
Question 1 Define the term evaporation? Question 2 Describe how will you separate common salt from sea water? Question 3 Explain the process to recover only salt? Question 4 State one large scale use of process of evaporation? Question 5 Define the term evaporation and condensation? Also Read NCERT Solutions for Chapter 5 Separation of … [Read more...] about Evaporation, Distillation
Decantation, Loading, Filtration
Question 1 What is sedimentation? Question 2 What is decantation? Question 3 How will you separate a mixture of sand and water? Explain with the help of diagram? Question 4 What substance is used for loading the clay particles suspended in muddy water? Question 5 Define the term sediment? Question 6 How will you separate rice and pulses from water after … [Read more...] about Decantation, Loading, Filtration
Sieving , Magnetic Separation
Question 1 How is fine sand separated from larger particles? Explain Question 2 How is scrap iron separated from a heap of waste materials in factories? Question 3 How will you separate a mixture of iron filling and sulphur powder? Question 4 Define the term sieving? Question 5 How do jewellers separate the pearls of different sizes? Also Read NCERT Solutions for … [Read more...] about Sieving , Magnetic Separation
Threshing, Winnowing, Hand-Picking
Question 1 What are pure substances? Question 2 What is a mixture? Give 5 examples of mixtures? Question 3 Why do we need to separate different components of a mixture? Explain with example? Question 4 Name a solid, liquid and a gaseous mixture? Question 5 State one use of winnowing? Question 6 Give one use of the hand-picking method of separating … [Read more...] about Threshing, Winnowing, Hand-Picking