Science question bank for tomorrow's oral test :
1. Describe myopia with neat label diagram.
2. Describe hypermetropia with neat labelled diagram.
3. Describe presbyopia.
4. A person with a myopic eye cannot see objects beyond 1.2 m distinctly.
What should be the type of the corrective lens used to restore proper
vision?
5. What is the far point and near point of the human eye with normal
vision?
6. A student has difficulty reading the blackboard while sitting in the last
row. What could be the defect the child is suffering from? How can it be
corrected?
7. Explain the steps involved in balancing a chemical equation.
8. Write the balanced equation for the following chemical reactions.
(i) Hydrogen + Chlorine → Hydrogen chloride
(ii) Barium chloride + Aluminium sulphate → Barium sulphate +
Aluminium chloride
(iii) Sodium + Water → Sodium hydroxide + Hydrogen
9. Write a balanced chemical equation with state symbols for the
following reactions.
(i) Solutions of barium chloride and sodium sulphate in water react
to give insoluble barium sulphate and the solution of sodium
chloride.
(ii) Sodium hydroxide solution (in water) reacts with hydrochloric
acid solution (in water) to produce sodium chloride solution and
water.
10. Explain combination, reduction, decomposition , displacement , double displacement reactions with examples.
11. Explain oxidation and reduction with examples.
12. Give reason : Respiration is an exothermic process.
Answers
Answered by
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Answer:
tomorrow's oral test :
1. Describe myopia with neat label diagram.
2. Describe hypermetropia with neat labelled diagram.
3. Describe presbyopia.
4. A person with a myopic eye cannot see objects beyond 1.2 m distinctly.
What should be the type of the corrective lens used to restore proper
vision?
5. What is the far point and near point of the human eye with normal
vision?
Answered by
0
Answer:
plz do it with your own as it is your test bro
Explanation:
if you do the question with your own it will be helpful to you only
hope you understand
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