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State one appropriate observation for th...

State one appropriate observation for the following:
Dilute hydrochloric acid is added to copper carbonate.

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A gas is evolved which is used is photosynthesis by the green plants.
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State one appropriate observation for the following: When dilute hydrochloric acid is added to sodium carbonate crystals.

State one appropriate observation for the following: When dilute hydrochloric acid is added to calcium carbonate crystals.

State your observation when: Dilute hydrochloric acid is added to copper carbonate.

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dilute hydrochloric acid is added to zinc hydroxide.

State the observation for each of the following: Dilute hydrochloric acid is added to lead nitrate crystals.

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Write the balanced chemical equation for the following: (1) Action of Hydrochloric acid on sodium bicarbonate. (2) Identify the gas evolved and give the chemical test in each of the following cases : Dilute Hydrochloric acid is added to Copper carbonate.

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ICSE-SELF ASSESSMENT PAPER 3 -SECTION-II
  1. State one appropriate observation for the following: Dilute hydrochl...

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  2. During the electrolysis of copper (II) sulphate solution using platinu...

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  3. During the electrolysis of copper (II) sulphate solution using platinu...

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  4. During the electrolysis of copper (II) sulphate solution using platinu...

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  5. Differentiate between electrical conductivity of copper sulphate solut...

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  6. As we descend the electrochemical series containing cations, the tende...

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  7. The the concentration of an ion in a solution the greateris the proba...

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  8. Copy and complete the following table relating to important industrial...

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  9. The metals of group-2 from top to bottom are Be, Mg, Ca, Sr, Ba. Whic...

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  10. What property of an element is measured by electronegativity.

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  11. Select the correct method from: Simple displacement ,Decomposition by ...

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  12. Select the correct method from: Simple displacement ,Decomposition by ...

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  13. Select the correct method from: Simple displacement ,Decomposition by ...

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  14. Select the correct method from: Simple displacement ,Decomposition by ...

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  15. Select the correct method from: Simple displacement ,Decomposition by ...

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  16. The diagram shows an experimental set up for the laboratory preparatio...

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  17. The diagram shows an experimental set up for the laboratory preparatio...

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  18. The diagram shows an experimental set up for the laboratory preparatio...

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  19. The diagram shows an experimental set up for the laboratory preparatio...

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  20. The diagram shows an experimental set up for the laboratory preparatio...

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  21. A compound has the following percentage composition by mass : Carbon ...

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