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प्रश्न
Write the names of elements from the following symbol:
Si
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उत्तर
Si- Silicon
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
Name the technique that you use if only the solid component of a solution is required.
Give two examples of Noble gases.
Find the atomicity of the Following molecule:
Acetic Acid
Fill in the blank
The most abundant element in the earth’s crust is _______.
Indicate whether the following statement is true or false:
Noble gases are high reactive
Tick (√) the correct alternative from the choice given for the following statement.
Atoms of different kinds combine to form molecules of
Complete the statement with the correct words.
_______ are chemicals which are hydroxide (or oxides) of ______ eg. sodium hydroxide.
Complete the statement given below by filling in the blank with the correct word.
An element is a pure substance which cannot be broken down by physical or _________ methods.
Select the correct answer from A, B, C, D & E for the statement given below :
A mixture consisting of elements & a compound.
