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प्रश्न
Write the names of elements from the following symbol:
Cu
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उत्तर
Cu- Copper
संबंधित प्रश्न
Fill in the blank
Use of a ................. to separate the components of a mixture of solids is based on the difference in the size of the components
Write true or false
All pure substances have characteristic melting and boiling points.
What is meant by H20 and 3H2O
Tick (√) the correct alternative from the choice given for the following statement.
The compound used as common salt is
Complete the statement with the correct words.
Acid’s are chemicals which are _____ in taste and derived from plants and ________.
Write an answer to the following question in your own words.
Which elements (metals and non-metals), compounds and mixtures do we use in our day-to-day life?
Give an example of two liquids which form homogenous.
Select the correct answer from the choice given below to complete the sentence :
Compounds are ____________ in nature.
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.
Atoms: Fundamental particle of an element::______ : Fundamental particles of a compound.
