English

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

Advertisements
Advertisements

Question

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

NaO

One Line Answer
Advertisements

Solution

NaO

Correct formula – Na2O

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 2.09

RELATED QUESTIONS

State the chemical symbols for the following elements :

Sodium, Potassium, Iron, Copper, Mercury, Silver.


Write down the formulae for the following compounds :

Magnesium hydroxide


(a) Write the symbols/formulae of two simple ions and two compound ions (or polyatomic ions).


The formula of carbonate of a metal M is M2CO3.

What will be the formula of its nitride ?


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


The formula of the nitride of a metal X is XN, state the formula of :

  1. its sulphate
  2. its hydroxide.

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

Carbonic acid


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

Ethane


Write the formula of the following compound:

Sodium chloride


Write the formula of the following compound:

Sodium sulphite


Write the formula of the following compound:

Sodium dichromate


Write the formula of the following compound:

Calcium bisulphite


Write the formula of the following compound:

Magnesium bicarbonate


Write the formula of the following compound:

Zinc sulphate


Write the formula of the following compound:

Iron [III] chloride 


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


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.


Which of the following represents a correct chemical formula? Name it.


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


What is a chemical formula?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×