Advertisements
Advertisements
प्रश्न
What does the symbol '→' present in a chemical equation, mean?
Advertisements
उत्तर
'→' Arrow separates reactants from the products.
APPEARS IN
संबंधित प्रश्न
What do the following symbol stand for?
H2
How are the elements with variable valency named? Explain with an example.
Give a reason why elements are tabulated in a table called the ‘Periodic table’.
Give the symbol of the following element:
Lead
Give the symbol of the following element:
Sulphate
Give the formula of the following acid:
Hydrochloric
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Bisulphate
______ of some elements are derived from Latin or Greek names of the elements.
Define Alchemy.
Name the elements with the following symbols.
- Na
- W
- Ba
- Al
- U
