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प्रश्न
Give one use of the following substance:
Brass
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उत्तर
Brass: To make water taps and utensils.
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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
Give Two Examples for Each of the Following: Non-metals
Mention three gaseous elements and write their molecular formulae
Tick (√) the correct alternative from the choice given for the following statement.
Sand is a compound of
Complete the statement with the correct words.
__________ are chemicals formed on reaction of a base with an _____ giving salt and water.
Write the names of elements from the following symbol:
Br
State why brass is considered as a homogenous mixture while a mixture of iron & sulphur – heterogenous.
Select the correct answer from A, B, C, D & E for the statement given below :
A diatomic molecule.
Classify the following as metals, non-metals and metalloids.
Sodium, Bismuth, Silver, Nitrogen, Silicon, Carbon, Chlorine, Iron, Copper
Give two example of elements.
