Advertisements
Advertisements
प्रश्न
Write the chemical formula of the following:
zinc oxide
Advertisements
उत्तर
ZnO
APPEARS IN
संबंधित प्रश्न
Explain the terms ‘chemical formula’.
Match the formulas of the following gases with their correct names :
Gases - (a) H2 (b) N2 (c) O2 (d) Cl2 (e) HCI (f) NH3 (g) CO (h) CO2 (i) SO2 (j) NO (k) NO2.
Names:
(1) Ammonia (2) Nitrogen Dioxide (3) Oxygen (4) Hydrogen (5) Nitrogen (6) Chlorine (7) Carbon Monoxide (8) Sulphur Dioxide (9) Nitrogen Monoxide (10) Carbon Dioxide (11) Hydrogen Chloride
Give the symbol of the following element:
Copper
Give the symbol of the following element:
Calcium
Give the symbol of the following element:
Sulphate
Write the chemical formula of the following:
aluminium chloride
Give the formula of the following gas:
Ammonia
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Silver
write symbol with the variable valency
Which of the following would weigh the highest?
Write a note on Greem symbols.
