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

Write the Molecular Formulae of Hydrogen Chloride :

Advertisements
Advertisements

प्रश्न

Write the molecular formulae of Hydrogen chloride :

एका वाक्यात उत्तर
Advertisements

उत्तर

Hydrogen chloride - `"HCI"`

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 9.04

संबंधित प्रश्‍न

What does 5H2S04 represent ?


Write the molecular formulae of Nitric acide :


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


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


State the term

The combining capacity of an element _______


What is a molecule ? Explain with an example.


In hydrogen peroxide (H2O2), the proportion of hydrogen and oxygen by mass is :


If one mole of nitrogen molecules weighs 28 g, calculate the mass of one molecule of nitrogen in grams.


Calculate the number of molecules present in a drop of chloroform (CHCl3) weighing 0.0239 g.

(Atomic masses : C = 12 u ; H = 1 u ; Cl = 35.5 u)


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

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


Diagrammatically represent the transfer of electrons.


‘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.

Explain the term ‘atomicity’.


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

Ammonium sulphate


Name the following:

A molecule of a compound containing two oxygen atoms and one nitrogen atom.


Name the following:

A non-metal which forms a polyatomic molecule with more than three atoms.


State true of false. If false, give the correct statement.

Atoms cannot exist alone. They can only exist as groups called molecules.


Define molecule.


How many atoms are present in a PO4 3– ion?


A molecule containing three atoms is called a ______ molecule.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×