In this page we have Important Questions for Class 10 Acid Base and Salts -1 . Hope you like them and do not forget to like , social shar
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One Marks Questions
- What is a neutralization reaction?
- What will be the products of the following reaction?
HCI + NaOH
- pH stands for the negative logarithm of the hydrogen ion concentration. True or false
- Name two indicators which are widely used in laboratories.
- What is brine?
- A solution turns red litmus blue. Is the solution acid or a base?
- What happens to the temperature of water when few drops of concentrated sulphuric acid is added to it?
- Which compound of sodium is used for softening of hard water?
- Does distilled water conduct electricity?
- What are olfactory indicators? Give an example.
- What is the chemical formula for baking soda
- What is the organic acid present in tomato?
Two Marks Questions
- What are indicators?
- What would happen if a small amount of copper oxide is taken in a beaker and dilute HCI is added to it?
- What is the 'pH' of pure water and that of rain water? Elaborate it
- How does plaster of Paris reacts with water? Write down the chemical equation?
- What is dilute? Why care must be taken while mixing concentrated nitric acid or sulphuric acid with water?
- On which factors does the strength of an acid or a base depend? Explain.
- Name the common acid-base indicators used in the laboratory with their color change.
Four Marks Questions
- Explain the following by giving examples:
- How metal oxides react with acids?
- How non- metal oxides react with base?
- Explain the term with examples
- a) Acid Salt
- b) Normal Salt
- c) Basic salt
- d) Double salt
- e) Mixed salt
Five Marks Questions
- Why does acidic solution conduct electricity?
(b)Can basic solution conduct electricity?
(c)Can separation of H+ ions in acids take place when HCI is added to a non- aqueous solution?
- While diluting an acid, why is it recommended that the acid should be added to water and not water to the acid?
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- (a)What is pH scale and what’s its range? How is it related to hydronium ion concentration?
(b)Explain any two roles played by pH levels of various chemicals in living organisms.
- Plaster of Paris should be stored in a moisture-proof container. Explain why?