Advertisements
Advertisements
प्रश्न
Write the names of elements from the following symbol:
Br
Advertisements
उत्तर
Br- Bromine
संबंधित प्रश्न
What is the difference between a pure substance and a mixture ?
Define a pure substance. How many types of pure substances do you know?
Give three differences between metals and non-metals.
Find the atomicity of the Following molecule:
Aluminium Suiphide
Fill in the blank
A diatomic gaseous element is _______.
Complete the statement given below by filling in the blanks with the correct words.
From the elements – He, Br, Pt, and O; the element which is metallic is ____, an inert element is ____, forms a triatomic molecule is ____, is liquid at room temperature is_ ___.
Give a reason for the following statement :
Brass & bronze are examples of mixtures, while copper sulphate & lead nitrate are examples of compounds.
Differentiate metals and non-metals.
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.
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.
