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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

What Does 5h2s04 Represent ? - Chemistry

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प्रश्न

What does 5H2S04 represent ?

एक पंक्ति में उत्तर

उत्तर

5H2S04 = 5 molecules of sulphuric acid.

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अध्याय 4: Atoms, Molecules and Radicals - Exercise

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सेलिना Concise Chemistry [English] Class 7 ICSE
अध्याय 4 Atoms, Molecules and Radicals
Exercise | Q 3.3

संबंधित प्रश्न

How many atoms are present in a H2S molecule?


Write the molecular formulae of Sodiun sulphide: 


Write the molecular formulae of Magenesium oxide :


Write the molecular formulae of Calcium hydroxide :


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.


If 1 gram of sulphur dioxide contains x molecules, how many molecules will be present in 1 gram of oxygen ?

(S = 32 u ; O = 16 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)


What is the number of electrons after the transfer of electrons in magnesium and sulphur atoms.


Fill in the blank:

A molecule of an element is _________.


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

Copper [II] nitrate


Name the following:

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


Name the following:

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


Name the following:

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


Molecule containing more than three atoms are known as ______.


What is the fraction of the mass of water due to neutrons?


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


A group of atoms carrying a fixed charge on them is called ————.


______ of an element consist of a fixed number of different types of atom.


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