HARD
8th CBSE
IMPORTANT
Earn 100

What are solubility curves? Explain different areas of applications of solubility curves.

Important Questions on Water, Solution, Solubility and Hydrogen

HARD
8th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 5 - Water, Solution, Solubility and Hydrogen>PRACTICE QUESTIONS (CLASSROOM WING)>Q 43
Explain the general methods of preparation of hydrogen giving one example each. Among these, which method is preferred for laboratory preparation and why?
HARD
8th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 5 - Water, Solution, Solubility and Hydrogen>PRACTICE QUESTIONS (CLASSROOM WING)>Q 44
Write the effect of impurities and external pressure on the freezing and boiling points of water. Explain with examples.
MEDIUM
8th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 5 - Water, Solution, Solubility and Hydrogen>PRACTICE QUESTIONS (COMPETITION WING)>Q 1
Aqueous solutions are good conductors in comparison to their corresponding pure solvents.
MEDIUM
8th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 5 - Water, Solution, Solubility and Hydrogen>PRACTICE QUESTIONS (COMPETITION WING)>Q 2
Soluble impurities present in water increase the freezing point of water.
EASY
8th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 5 - Water, Solution, Solubility and Hydrogen>PRACTICE QUESTIONS (COMPETITION WING)>Q 3
Solubility curves can be used for comparing the solubility of different substances at a given temperature.
MEDIUM
8th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 5 - Water, Solution, Solubility and Hydrogen>PRACTICE QUESTIONS (COMPETITION WING)>Q 4
The freezing point of water decreases with a decrease in pressure.
MEDIUM
8th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 5 - Water, Solution, Solubility and Hydrogen>PRACTICE QUESTIONS (COMPETITION WING)>Q 5
The density of water is maximum at 4 K.
MEDIUM
8th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 5 - Water, Solution, Solubility and Hydrogen>PRACTICE QUESTIONS (COMPETITION WING)>Q 6
Blue-coloured CuSO4 can act as a dehumidifying agent.