मराठी

Write the Formula of the Following Compound: Sodium Aluminate - Chemistry

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प्रश्न

Write the formula of the following compound:

Sodium aluminate

एका वाक्यात उत्तर
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उत्तर

Sodium aluminate - NaAlO2  - `"AlO"_2^(1-)`

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पाठ 1: The Language Of Chemistry - Additional Questions

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विराफ जे. दलाल Simplified ICSE Chemistry [English] Class 9
पाठ 1 The Language Of Chemistry
Additional Questions | Q 12.02

संबंधित प्रश्‍न

Write down the formulae of sodium sulphide.


The radius of an oxygen atom is 0.073 nm. What does the symbol ‘nm’ represent ?


The element having atomicity 'four' is most likely to be :


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


An element X of valency 3 combines with another element Y of valency 2. What will be the formula of the compound formed ?


Give the formulae of the compounds formed from the following sets of elements :

  1. calcium and fluorine
  2. hydrogen and sulphur
  3. nitrogen and hydrogen
  4. carbon and chlorine
  5. sodium and oxygen
  6. carbon and oxygen

Which of the following represents a correct chemical formula ?


Correct the following statement:

Molecular formula of water is H2O2


Identify the following substance:

Gas C that is colourless and can be used as a bleaching agent.


Write the formula of the following compound: 
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Write the formula of the following compound:

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Write the formula of the following compound:

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Write the formula of the following compound:

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Write the formula of the following compound:

Iron [III] oxide


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.


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

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

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

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Play a game for writing formula.

Example 2: A low-cost model for writing formulae: Take empty blister packs of medicines. Cut them in groups according to the valency of the element, as shown in the figure. Now, you can make formulae by fixing one type of ion into other.

For example:

The formula for sodium sulphate:

2 sodium ions can be fixed on one sulphate ion.

Hence, the formula will be Na2SO4.

Do it yourself:

Now, write the formula of sodium phosphate.


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