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Top 50 Questions of Carbon and its Compound Lesson
Question: 1. Define catalyst.
Answer: Those atoms which are added to a reaction to speed up chemical reaction without losing spare Energy and without disturbing the structure are known as catalysts.
Question: 2. What are the chemical properties of carbon compounds?
Answer: Below mentioned are the properties:
(i) Combustion reaction
(ii) Substitution reaction
(iii) Substitution reaction
Question: 3. Write some uses of ethanol.
Answer: Uses of ethanol are:
(i) Manufacturing paints
(ii) Cough syrup
(iii) Alcoholic drinks etc:
Top 50 Questions of Plant and Animal cell
Questions: 1. Describe Cell?
Answer: A cell is a fundamental base of any life and everything, a functional unit of life of anything and living or non- living.
Question: 2. Which organelle would you not find an animal cell and why do they need it?
Answer: Chloroplast is the organelle that we find in plant cells but not in the animal cell. It works as a food making machine because it has chlorophyll (a substance that makes plants green) which converts sunlight energy into sugar or chemical energy which is used by the plant.
Questions: 3. Write about the Cell Wall?
Answer: It is a flexible layer around the plant cell like a covered shell. It is toughand rigid.