Advertisements
Advertisements
प्रश्न
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal which is required for combustion.
Advertisements
उत्तर
Oxygen
APPEARS IN
संबंधित प्रश्न
Give Two Examples for Each of the Following: Non-metals
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Vinegar
Define Elements.
Name: A form of carbon used as a gem
Name: Two substances used to make jewellery.
Find the atomicity of the Following molecule:
Carbon Monoxide
Tick (√) the correct alternative from the choice given for the following statement.
Sand is a compound of
Complete the statement given below by filling in the blank with the correct word.
From the elements nitrogen, chlorine, bromine, the element present in the atmosphere is ________.
Define the term ‘compound’. In the compound carbon dioxide – the elements carbon & oxygen are combined in a fixed ratio. Explain.
Give an example of each mixture having the following characteristics. Suggest a suitable method to separate the components of this mixture
Two or more coloured constituents are soluble in some solvent.
