मराठी
सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

What Does 2c02 Represent ? - Chemistry

Advertisements
Advertisements

प्रश्न

What does 2C02 represent ?

एका वाक्यात उत्तर

उत्तर

2C02 = 2 molecules of carbon dioxide.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Atoms, Molecules and Radicals - Exercise

APPEARS IN

सेलिना Concise Chemistry [English] Class 7 ICSE
पाठ 4 Atoms, Molecules and Radicals
Exercise | Q 3.1

संबंधित प्रश्‍न

What does 2H2S  represent ?


What does 5H2S04 represent ?


Write the molecular formulae of Hydrogen chloride :


Write the molecular formula of sulphuric acid.


Write the molecular formulae of Iron (II) sulphide :


The valency of sodium is one, write the molecular formula for sodium hydroxide ?


The valency of sodium is one, write the molecular formula for sodium nitratev ?


Fill in the following blanks :

1 mole contains .............. atoms, molecules or ions of a substance.


Which contains more molecules, 10 g of sulphur dioxide (SO2) or 10 g of oxygen (O2) ?

(Atomic masses : S = 32 u ; O = 16 u)


What is the number of electrons donated by a magnesium atom and number of electrons accepted by a sulphur atom during their chemical combination?


Write the molecular formulae of Magnesium nitride:


‘Atoms of the same element or different from Dalton’s atomic theory by the Modern Atomic Theory.
Give two examples each of –

  • Atoms of the same element
  • Atoms of different elements combining to form a molecule.

Fill in the blank:

The formula of aluminium sulphate is _________.


State the correct formula of the following from the option given:

Calcium hydroxide


State the correct formula of the following from the option given:

Sodium bisulphite


State the correct formula of the following from the option given:

Ammonium sulphate


Name the following:

The compound formed when iron [Fe2+] combines with oxygen [O2−].


Molecule containing more than three atoms are known as ______.


Express each of the following in kilograms

0.584 g


Compute the number of ions present in 5.85 g of sodium chloride


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×