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Write the formula of ammonium hydroxide ...

Write the formula of ammonium hydroxide . Also name the elements presents in them.

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Colour and Melting Point : It is an orange red crystalline solid having melting point 670 K.
Solubility : It is moderately soluble in cold water but readily soluble in hot water.
Action of heat : `4K_2Cr_2O_7 overset(Delta)(rarr)4K_2CrO_4 + 2Cr_2 + 3O_2`
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ACCURATE PUBLICATION-D & F BLOCK ELEMENTS -2 OR 5 MARKS QUESTIONS
  1. Why transition element show coloured Ions ? Explain.

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  2. Give the preparation of Potassium dichromate ,K2Cr2O7.

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  3. Write the formula of ammonium hydroxide . Also name the elements pres...

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  4. Write the formula of sodium sulphate . Also name the elements presents...

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  5. Write the formula of carbon tetrachloride . Also name the elements pre...

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  6. Define Lanthanoid Contraction and also explain cause of Lanthanoid con...

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  7. Write the formula of potassium chloride . Also name the elements prese...

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  8. Write the formula of calcium phosphate . Also name the elements presen...

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  9. Write the formula of glucose. Also name the elements presents in them.

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  10. Write the formula of chloroform. Also name the elements presents in t...

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  11. Write the formula of bromoform. Also name the elements presents in the...

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  12. Write the formula of hydrogen sulphide. Also name the elements present...

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  13. Write the formula ammonium sulphate . Also name the elements presents ...

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  14. Write the formula lime stone . Also name the elements presents in them...

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  15. Write the formula of magnesium chloride . Also name the elements prese...

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  16. Write the formula of lithium hydroxide . Also name the elements presen...

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  17. The formula of water is H2O . Calculate its molecular mass.

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  18. write formula of sodium oxide and also write elements present in them.

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  19. Chromium is a typical hard metal while Mercury is liquid. Explain.

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  20. First Ionisation Potentials of Zinc, cadmium and mercury are high.

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