CBSE 10th Acid Bases and Salts 3 Marks Question 2025 for Exam Day

CBSE 10th Acid Bases and Salts 3 Marks Question 2025 for Exam Day: The Central Board of Secondary Education (CBSE) has scheduled to conduct the CBSE Class 10 Science Examination 2025 on February 20, 2025. Acid Bases and Salts is the second chapter in the CBSE Class 10 Science Syllabus 2025. The Acid Bases and Salts will have a weightage of 5 marks in the CBSE Class 10 Science Question Paper 2025. Students preparing for the examination can check the CBSE 10th Acid Bases and Salts 3 Marks Question 2025 for Exam Day available here.

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CBSE 10th Acid Bases and Salts 3 Marks Question 2025 for Exam Day

Check the CBSE Class 10 Acid Bases and Salts 3 Marks Question 2025 for exam day below.

1. (a) Name the raw materials used in the manufacture of sodium carbonate by the Solvay process.
   (b) How is sodium hydrogen carbonate separated from a mixture of  NH4Cl and NaHCO3
2. Write equations for the following reactions
   a) Dilute sulphuric acid reacts with zinc granules
   b) Dilute hydrochloric acid reacts with magnesium ribbon.
   c) Dilute sulphuric acid reacts with aluminium powder.
3. a) An aqueous solution has a pH value of 7.0  Is this solution acidic, basic, or neutral?
   b) If H+ concentration of a solution is 1 x 10-2 mol L¹ what will be its pH value?
   c) Which has a higher pH value: 1 M HCl or 1-M NaOH?
4. What will you observe when:
   a) Red litmus is introduced into a solution of sodium sulphate.
   b) Methyl orange is added to dil HCl
   c) Blue litmus is introduced into a solution of ferric chloride
5. A first aid manual suggests that vinegar should be used to treat wasp stings and baking soda for bee stings.
   a) What does this information tell you about the chemical name of the wasp sting?
   b) If there were no baking soda in the house, what other household substances would you use to treat as stings?
6. A compound X of sodium is commonly used in the kitchen for making crispy pakoras. It is also used for curing acidity in the stomach. Identify ‘X’. What is its chemical formula?  State the reaction that takes place when it is heated during cooking.
7. How is plaster of Paris chemically different from gypsum? How may these be interconverted? Write one use of plaster of Paris.

The above questions about Acid Bases and Salts have appeared previously in the CBSE Class 10 Examinations 2025. Students are advised to answer the above CBSE 10th Acid Bases and Salts 3 Marks Question 2025 for Exam Day for better results.

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