Question : What is formed when carbon dioxide is passed through lime water?
Option 1: Copper sulphate
Option 2: Calcium carbonate
Option 3: Magnesium oxide
Option 4: Baking soda
Latest: SSC CGL 2024 final Result Out | SSC CGL preparation tips to crack the exam
Don't Miss: SSC CGL Tier 1 Scorecard 2024 Released | SSC CGL complete guide
Suggested: Month-wise Current Affairs | Upcoming Government Exams
Correct Answer: Calcium carbonate
Solution : The correct option is Calcium carbonate.
The interaction between carbon dioxide and calcium hydroxide produces a white precipitate, calcium carbonate (CaCO3) when carbon dioxide is passed through lime water. This is used to detect the presence of carbon dioxide. The chemical equation for the interaction of carbon dioxide (CO2) and lime water (calcium hydroxide, Ca(OH)2) is as follows: Ca(OH)2 + CO2 → CaCO3 + H2O. Calcium hydroxide combines with carbon dioxide to form calcium carbonate (a white precipitate) and water.
Candidates can download this ebook to know all about SSC CGL.
Admit Card | Eligibility | Application | Selection Process | Preparation Tips | Result | Answer Key
Question : What is formed when magnesium is burnt?
Option 1: Baking soda
Option 3: Ash
Option 4: Vinegar
Question : What is the product of a reaction of calcium carbonate, water, and carbon dioxide?
Option 1: Calcium oxide
Option 2: Calcium hydroxide
Option 3: Hydrochloric acid
Option 4: Calcium Hydrogen Carbonate
Question : Baking soda is ________________.
Option 1: sodium carbonate
Option 2: sodium sulphate
Option 3: sodium hydrogen carbonate
Option 4: sodium hydroxide
Question : When a magnesium ribbon is burnt in oxygen, it gets converted to ______.
Option 1: magnesium peroxide
Option 2: magnesium hydroxide
Option 3: magnesium carbonate
Option 4: magnesium oxide
Question : Calcium salt used as fertilizer is
Option 1: Calcium Carbide
Option 2: Calcium Carbonate
Option 3: Calcium Cyanide
Option 4: Calcium Sulphate
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile