मराठी

Write the Formula of the Following Compound: Copper [Ii] Oxide

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प्रश्न

Write the formula of the following compound:

Copper [II] oxide

एका वाक्यात उत्तर
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उत्तर

Copper [II] oxide - CuO - `"Cu"^(2+)["O"]^(2-)`

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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. vii] (d) | पृष्ठ १५

संबंधित प्रश्‍न

What is meant by the term chemical formula?


Name the following compounds. Also write the symbols/formulae of the ions present in them :

  1. CuSO4
  2. (NH4)2SO4
  3. Na2O
  4. Na2CO3
  5. CaCl2

Give the formula and valency of:

Aluminate ______ ______

Identify the following substance:

Gas B that has an offensive smell as of rotten eggs.


What is a chemical formula? What is the significance of a formula?give an example to illustrate?​


The formula of the nitride of a metal X is XN, state the formula of its hydroxide.


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

Blue vitriol


Write the formula of the following compound:

Sodium sulphite


Write the formula of the following compound:

Sodium permanganate


Write the formula of the following compound:

Magnesium sulphate


Write the formula of the following compound:

Magnesium oxide


Write the formula of the following compound:

Aluminium oxide


Write the formula of the following compound:

Copper [II] nitrate


Write the formula of the following compound:

Iron [II] oxide


Write the formula of the following compound:

Iron [II] sulphate


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

Mg(SO4)2


Write the chemical formula for the following compounds

  1. Aluminium sulphate
  2. Silver nitrate
  3. Magnesium oxide
  4. Barium chloride

Write the molecular formulae for the following compounds

Magnesium (II) acetate


There are ______ hydrogen atoms in water molecule.


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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