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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
Brass and bronze are
विकल्प
elements
mixtures
compounds
all of the above
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उत्तर
mixtures
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संबंधित प्रश्न
Fill in the blank
Chalk powder dissolved in water is an example of a Chalk powder dissolved in water is an example of a _________.
Write true or false
All pure substances have characteristic melting and boiling points.
Give two examples of Metals.
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_ ___.
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 ________.
Select the correct answer to the statement given below:
The chemical name for dinitrogen oxide [N20].
Give a reason for the following statement:
Components in a mixture are present in varying proportions and not in a fixed proportion.
Give a reason for the following statement :
The filter paper made into a cone & placed in a funnel for filtering out the solid particles in a solid-liquid mixture should be moistened before placing it.
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.
