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What is precipitate ?...

What is precipitate ?

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What is precipitation?

Magnesium present in the sea water is precipitated using 'X' and precipitated as 'Y'. M Here 'X' abd 'Y' are respectively

An aqueous solution containing a mixture of copper (II), iron (II) and lead (III) ions was treated with an excess of aqueous ammonia. What precipitate was left by this reaction,

Which of the following cations precipitates as their hydroxides?

Which of the following cations precipitates as their sulphides?

Which of the following cations precipitates as their chlorides?

Which of the following cations precipitates as their carbonates?

(A) Esters of fatty acids are hydrolysed by NaOH and the soap obtained remains in colloidal form. It is precipitated from the solution by adding NaCl. (R) Precipitation of soap is due to common ion effect.

In which one of the following reactions, 16 group element is precipitated

BEYOND PUBLICATION-CHEMICAL EQUATIONS-EXERCISE
  1. What is precipitate ?

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  2. Which of the following is correct ?

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  3. Downward arrow in chemical equation indicates-

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  4. The colour of the precipitate of lead iodide is-

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  5. which of the following is a skeleton reaction?

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  6. CaO reacts with water to form……….

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  7. Ammonia is formed by the reaction of gases…………

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  8. A solution of potassium iodide reacts with lead nitrate to give…..

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  9. When a smal piece of zinc metal is added to a solution of Copper sulph...

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  10. The chemical reaction in which energy is absorbed to form a new compou...

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  11. The substances that are present on left side of a chemical equation ar...

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  12. A chemical equation should be balanced because the law……. Should be v...

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  13. C+O2toCO2+Q. This is reaction.

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  14. Ca(OH)2+CO2toCaCO3+H2O. In this reaction shiny finish to walls is due ...

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  15. Fe2O3 + 2Al -rarr Al2O3 + 2Fe. ఈ చర్య దేనికి ఉదాహరణ?

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  16. Fill in the blanks: C6H12O6+6O2 to......+6H2O+Q

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  17. Pb(NO3)2 +…………….. = PbI2+2KNO3

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  18. NaCl + AgNO3rarr…………..+ NaNO3

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  19. Fill in the blanks: Na2SO4+...... to BaSO4 +2NaCl

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  20. Balance the following chemical equations. i) Zn((s))+AgNO(3(aq))rarr...

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  21. If some amount of energy is released in a chemical reaction, then it i...

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