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17 sie 2020 · Polar molecules readily dissolve in water because the positive part of the polar molecule is attracted to the oxygen atom, while the negative part is attracted to the hydrogen atom. In addition to polarity, water is a great solvent because it is amphoteric.
1 sty 2024 · The different characteristics as elaborated in CBSE Class 9 Science Chapter 1 solutions are based on six parameters - (1) Shape, (2) Volume, (3) Rigidity or Fluidity, (4) Intermolecular force, (5) Intermolecular space, and (6) Compressibility.
21 paź 2020 · The reason water is a polar solvent is because it attracts either a positive or negative electrical charge of a solute. The oxygen atom’s partial negative charge attracts hydrogen atoms from other water molecules and positive regions from other molecules.
Download the FREE PDF of NCERT Solutions for Class 9 Science Chapter 1. Get detailed, step-by-step solutions to ace your exams. Access your FREE copy today!
NCERT Solutions For Class 9 Science Chapter 1 SAQ. Question 1. Why do we see water droplets collected on the outer surface of a glass container, containing ice? Answer: The water vapour present in air, comes in contact with the cold outer surface of the container thereby condensing it to form water droplets. Question 2.
23 gru 2023 · NCERT Solutions for Class 9 Science (Chemistry) Chapter 1 Matter in Our Surroundings provides detailed answers for all in-text and exercise Questions. These solutions contain an in-depth explanation of each topic involved in the chapter.
Arrange the following substances in increasing order of forces of attraction between the particles – water, sugar, oxygen. Solution: The forces of attraction are the strongest in solids, followed by liquids and the weakest in gases. Oxygen is a gas, water is a liquid and sugar is a crystalline solid.
