Chemistry Acids, Bases and Salts CBSE Board 2025 Medium
(i) On adding dilute HCl to a test tube containing sodium carbonate, an effervescence is observed. Explain th…
- (i)On adding dilute HCl to a test tube containing sodium carbonate, an effervescence is observed. Explain the observation giving chemical equation for the reaction. How is the gas released tested in a school laboratory ?
- (ii)What happens when excess carbon dioxide passes through lime water ? Write chemical equations to explain your answer.
🔒 Step-by-step solution
Sign up free to reveal the full worked solution — hints, steps and the final answer, with a Solve-with-us walkthrough.
More questions from Acids, Bases and Salts
Class 10 Chemistry — every question with an expert-verified, step-by-step solution.
- Q1 A solution turns red litmus blue, its pH is likely to be
- Q1 You have been provided with three test tubes. One of them contains…
- Q2 A solution reacts with crushed egg-shells to give a gas that tu…
- Q3 10 mL of a solution of NaOH is found to be completely neutralised b…
- Q4 Which one of the following types of medicines is used for trea…
- Q5 Write word equations and then balanced equations for the reaction t…
- Q6 Compounds such as alcohols and glucose also contain hydrogen bu…
- Q7 Why does distilled water not conduct electricity, whereas rain wat…
- Q8 Why does dry HCL gas not show acidic behaviour in the absence of…
- Q9 Five solutions A, B, C, D and E when tested with universal indicato…
- Q10 Equal lengths of magnesium ribbons are taken in test tubes A and B.…
- Q11 Fresh milk has a pH of 6. How do you think the pH will change as i…