Advertisements
Advertisements
प्रश्न
The chemical symbol for sodium is
विकल्प
So
Sd
NA
Na
Advertisements
उत्तर
Na
Chemical symbol for sodium is Na.
APPEARS IN
संबंधित प्रश्न
What do you understand by :
Noble gases
Select elements and compounds from the following list: Iron, plaster of paris, chalk, common salt, copper, aluminium, calcium oxide, cane sugar, carbon, silica, sodium sulphate, uranium, potassium carbonate, silver, carbon dioxide.
Which particular atom of the above element is used for this purpose ?
Match the formulas of the following of acids with their correct names:
Acids – (a) HCI (b) HNO3 (c) H2SO4 (d) H2CO3
Names – (1) Carbonic acid (2) Sulphuric acid (3) Hydrochloric acid (4) Nitric acid
Match the formulas of the following of bases with their correct names.
Bases – (a) NaOH (b) KOH (c) Ca(OH)2 (d) Zn(OH)2
Names – (1) Potassium hydroxide (2) Zinc hydroxide (3) Aluminium hydroxide (4) Calcium hydroxide (5) Sodium hydroxide
Give the symbol of the following element:
Oxygen
State the type of element for the following:
Sulphur
Write the radical of the following valency:
Aluminium
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
Which of the following would weigh the highest?
