English

State of the following formula of a compound is incorrect. Incorrectly write the correct formula. Ca2(PO4)3 - Chemistry

Advertisements
Advertisements

Question

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

Mg(SO4)2

One Line Answer
Advertisements

Solution

Mg(SO4)2

Correct formula – MgSO4

shaalaa.com
  Is there an error in this question or solution?
Chapter 1: The Language Of Chemistry - The Language Of Chemistry

APPEARS IN

Viraf J. Dalal Simplified ICSE Chemistry [English] Class 9
Chapter 1 The Language Of Chemistry
The Language Of Chemistry | Q 2.06

RELATED QUESTIONS

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


An element Z has a valency of 3. What is the formula of oxide of Z ?


An element Y has a valency of 4. Write the formula for its :

  1. chloride
  2. oxide
  3. sulphate
  4. carbonate
  5. nitrate

Define ‘formula unit’ of an ionic compound. What is the formula unit of (i) sodium chloride, and
(ii) magnesium chloride ?


Identify the following substance:

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


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

Ethane


Write the formula of the following compound: 
Potassium sulphite

Write the formula of the following compound:

Potassium iodide


Write the formula of the following compound:

Sodium bicarbonate


Write the formula of the following compound:

Sodium iodide


Write the formula of the following compound:

Magnesium sulphate


Write the formula of the following compound:

Zinc chloride


Write the formula of the following compound:

Zinc carbonate


Write the formula of the following compound:

Copper [II] oxide


Write the formula of the following compound:

Copper [I] sulphide


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.


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.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×