मराठी

Write the Formula of the Following Compound: Iron [Ii] Hydroxide

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प्रश्न

Write the formula of the following compound:

Iron [II] hydroxide

एका वाक्यात उत्तर
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उत्तर

Iron [II] hydroxide - Fe[OH]2 -  `"Fe"^(2+)"OH"^(1-)`

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पाठ 1: The Language of Chemistry - For Additional High Order Thinking Questions [पृष्ठ १५]

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विराफ जे. दलाल Simplified ICSE Chemistry [English] Class 9
पाठ 1 The Language of Chemistry
For Additional High Order Thinking Questions | Q 2. 6. viii] (i) | पृष्ठ १५

संबंधित प्रश्‍न

What do the following abbreviations stand for ?

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

Work out the formula for sulphur dioxide. (Valencies : S = 4 ; O = 2)


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 ?


Correct the following statement:

A molecular formula represents an element.


Give the empirical formula of : Benzene C6H6


Give the empirical formula of Glucose C6H12O.


Identify the following substance:

An alkaline gas A which gives dense white fumes with hydrogen chloride.


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

Nitric acid


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

Carbonic acid


Write the formula of the following compound:

Sodium carbonate


Write the formula of the following compound:

Sodium sulphate


Write the formula of the following compound:

Sodium hydroxide


Write the formula of the following compound:

Iron [III] chloride 


Write the formula of the following compound:

Iron [II] oxide


Write the formula of the following compound:

Iron [III] sulphide


Define the term Relative molecular mass. State why indirect methods are utilised to determine the absolute mass of an atom. Explain in brief the indirect method used.


Write the molecular formulae for the following compounds

Magnesium (II) acetate


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


There are ______ hydrogen atoms in water molecule.


Derive the chemical formula for calcium chloride.


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