Advertisements
Advertisements
प्रश्न
Select the correct answer to the statement given below:
A non-metal which exists in the liquid state.
पर्याय
Chalk
Oxygen
Silicon
Bromine
Nitrous oxide
उत्तर
Bromine
APPEARS IN
संबंधित प्रश्न
Why is it necessary to separate the constituents of a mixture.
What are the advantages of chromatography?
Give one use of the following substance:
Iron
Fill in the blank
The most abundant element in the atmosphere is _______.
Fill in the blank
A diatomic gaseous element is _______.
Indicate whether the following statement is true or false:
All elements are artificially prepared
Tick (√) the correct alternative from the choice given for the following statement.
The most abundant elements in the universe are
Tick (√) the correct alternative from the choice given for the following statement.
The compound used as common salt is
Tick (√) the correct alternative from the choice given for the following statement.
Sand is a compound of
Tick (√) the correct alternative from the choice given for the following statement
A non-metal which is a good conductor of electricity.
The important physical properties of substances are colour, odour, nature, density & solubility in water.
Name - a poisonous gas almost as heavy as air.
Select the correct answer from the choice given below.
The unreactive non-metallic element
Write the names of elements from the following symbol:
Zn
Represent with the help of a simple chart how matter is classified into pure or impure substances & further into elements, compounds & mixtures, with elements further segmented.
State why brass is considered as a homogenous mixture while a mixture of iron & sulphur – heterogenous.
Elements are made up of______ kinds of atoms.
The first letter of an element is always written in ______ letter.
Give two example of elements.
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.
