हिंदी

State of the following formula of a compound is incorrect. Incorrectly write the correct formula. NaClO

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प्रश्न

State of the following formula of a compound is incorrect. Incorrectly write the correct formula.

NaClO

एक पंक्ति में उत्तर
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उत्तर

NaClO is the correct formula.

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अध्याय 1: The Language of Chemistry - For Additional High Order Thinking Questions [पृष्ठ १८]

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विराफ जे दलाल Simplified ICSE Chemistry [English] Class 9
अध्याय 1 The Language of Chemistry
For Additional High Order Thinking Questions | Q 3. 2. H. | पृष्ठ १८

संबंधित प्रश्न

Explain the difference between 2N and N2.


What do the following abbreviations stand for ?

  1. O
  2. 2O
  3. O2
  4. 3O2

The atomicities of ozone, sulphur, phosphorus and argon are respectively :


Write down the formulae for the following compounds :

Magnesium hydroxide


If the valency of carbon is 4 and that of sulphur is 2, work out the formula of the compound formed by the combination of carbon with sulphur. What is the name of this compound ?


The formula of carbonate of a metal M is M2CO3.

What will be the formula of its iodide ?   


Give the formula and valency of:
cupric  ………………… . 


Match the following:

Column A Column B
(a) Pb(NO3)2 (i) rotten eggs smell
(b) CO2 (ii) burns with a pop sound
(c) (NH4)2Cr2O7 (iii) the suffocating smell of sulphur
(d) HCI (iv) lime water turns milky
(e) NO2 (v) crackling sound
(f) O2 (vi) residue swells up
(g) H2 (vii) brown gas
(i) H2S (viii) supports combustion
(j) SO2 (ix) fumes with NH3 solution

Name the element in the compound and give the formula of the following compound:

Nitric acid


Write the formula of the following compound:

Potassium aluminate


Write the formula of the following compound:

Sodium carbonate


Write the formula of the following compound:

Magnesium oxide


Write the formula of the following compound:

Zinc hydroxide


Write the formula of the following compound:

Iron [II] sulphate


Write the formula of the following compound:

Silver [II] chloride


Write the chemical formula for the following elements.

  1. Hydrogen
  2. Nitrogen
  3. Ozone
  4. Sulphur

Write the molecular formulae for the following compounds

Aluminium (III) nitrate


Complete the following crossword puzzle (Fig. 3.1) by using the name of the chemical elements. Use the data given in Table.

  Across   Down
2 The element used by Rutherford during his α–scattering experiment 1 A white lustrous metal used for making ornaments and which tends to get tarnished black in the presence of moist air
3 An element which forms rust on exposure to moist air 4 Both brass and bronze are alloys of the element
5 A very reactive non–metal stored under water 6 The metal which exists in the liquid state at room temperature
6 Zinc metal when treated with dilute hydrochloric acid produces a gas of this element which when tested with burning splinter produces a pop sound. 8 An element with symbol Pb


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