Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Exercise 5: HIGHER ORDER THINKING SKILLS
Dr. J M D'Souza Science Solutions for Exercise - Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Exercise 5: HIGHER ORDER THINKING SKILLS
Attempt the free practice questions from Exercise 5: HIGHER ORDER THINKING SKILLS with hints and solutions to strengthen your understanding. EUREKA PLUS Revised Bringing Science to Life solutions are prepared by Experienced Embibe Experts.
Questions from Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Exercise 5: HIGHER ORDER THINKING SKILLS with Hints & Solutions
Study the change described below and answer the questions.
Hydrochloric acid + Sodium hydroxide Table salt + Water
Is it a chemical or physical change?
Study the change described below and answer the question.
Hydrochloric acid + Sodium hydroxide Table salt + Water
How many substances take part in the change?
Study the change described below and answer the questions.
Hydrochloric acid + Sodium hydroxide Table salt + Water
Name these substances that are reactants.
Study the change described below and answer the question.
Hydrochloric acid + Sodium hydroxide Table salt + Water
Name the new substances that are formed.
A lump of sea salt dissolves in water. A large lump of sea salt was ground and changed into powder. Will the powdered sea salt dissolve in water?
A lump of sea salt dissolves in water. A large lump of sea salt was ground and changed into powder. Will the powdered sea salt have the same taste as the lump of sea salt?
A lump of sea salt dissolves in water. A large lump of sea salt was ground and changed into powder. Are the lump of sea salt and the powdered sea salt different substances?
A lump of sea salt dissolves in water. A large lump of sea salt was ground and changed into powder. Is making salt powder a physical change? Why?
