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प्रश्न
The important physical properties of substances are colour, odour, nature, density & solubility in water.
Name – a gas with a pungent, choking odour which is lighter than air
उत्तर
A gas with a pungent, choking odour which is lighter than air is Ammonia
संबंधित प्रश्न
Classify the following substances into compounds and mixtures:
Is food that we eat a mixture ?
Define: Compounds
Name: an Inert Gas
Give two examples of Metals.
Find the atomicity of the Following molecule:
Aluminium Suiphide
Indicate whether the following statement is true or false:
A compound is made up of just one kind of atom
Tick (√) the correct alternative from the choice given for the following statement.
Brass and bronze are
Differentiate between the terms –
elements, compounds & mixtures.
‘The modern periodic table consists of elements arranged according to their increasing atomic numbers’. With reference to elements with atomic numbers 1 to 20 only in the periodic table – differentiate them into – metallic elements, metalloids, non-metals & noble gases.
