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When carbon dioxide is passed through li...

When carbon dioxide is passed through lime water, it turns milky. Why?

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Lime water (Calcium hydroxide) combines with Carbondioxide to form a suspension of Calcium carbonate, which makes lime water milky.
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Fill in the blanks in the following sentences When carbon dioxide is passed through lime water, it turns milky due to the formation of_______ .

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What is observed when carbon dioxide gas is passed through lime water. (i) For a short duration (ii) For long durration ? Also write the chemical equations for the reaction involved.

Tell me What happens when carbon dioxide gas is passed through lime water and why does it disappear on passing excess carbon dioxide?

What is observed when carbondioxide gas is passed through lime water For a short duration ?

What is observed when carbondioxide gas is passed through lime water For a long duration ? Write the chemical equation.

Write balanced chemical equations for the following statements : (i) Excess of carbon dioxide gas is passed through lime water . (ii) Dilute sulphuric acid reacts with sodium carbonate . (iii) Egg shells are dropped in hydrochloric acid (iv) Copper (II) oxide reacts with dilute hydrochloric acid.

(i) Solid calcium oxide was taken in a container and water was added slowly to it : (a) Write the observation . (b) Write the chemical formula of the product formed (ii) What happens when carbon dioxide gas is bubbled through lime water : (a) In small amount , (b) In excess? (iii) Why do you apply paint on iron articles ?

CPC CAMBRIDGE PUBLICATION-CHEMICAL REACTIONS AND EQUATIONS-ADDITIONAL QUESTIONS (Anwers the following questions)
  1. On what chemical law, balancing of chemical equation is based?

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  2. Represent decomposition of ferrous sulphate with the help of a chemica...

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  3. When carbon dioxide is passed through lime water, it turns milky. Why?

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  4. A Zinc rod is left for nearly 20 minutes in Copper sulphate solution. ...

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  5. What type of reaction is this : Na(2)SO(4)+BaCl(2) to BaSO(4)+2NaCl

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  6. Why do gold and silver do not corrode ?

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  7. Name the reduching agent in the following reaction. 3MnO(2)+4Al to 2...

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  8. Write the balanced chemical equation for process of photosynthesis. ...

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  9. 2g of ferrous sulphate crystals are heated in a dry tude. List any t...

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  10. Why are decomposition reactions called the opposite of combination rea...

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  11. Write the type of chemical reaction in the following. reaction betwe...

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  12. Why does a copper vessel devlop with green coating in rainy season ?

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  13. Why is hydrogen proxide kept in coloured bottles ?

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  14. Mention any two factors which influence the rate of the reaction.

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  15. Ahmad took a magnesium ribbon and burned it on a flame. The white powd...

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  16. An iron knife kept dipped in a blue copper sulphate solution turns the...

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  17. Identify the reducing agent in the following reaction : Fe(2)O(3)+3C...

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  18. The marble statue often slowly correded when kept in open for a long t...

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  19. Give one example of a combination reaction in which an element combine...

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  20. Name the type of chemical reaction represented by the following equati...

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