Numismatics = मुद्राशास्त्र
Actionable claim-कार्रवाई योग्य दावा
Outlay = प्रारूप
Which of the following is the richest source of phosphorus?
Cinnabar is an ore of which metal?
Hydrogen was discovered by:
What are proteins chemically composed of?
Gunpowder consists of a mixture of:
The rate of evaporation increases with ______.
Which mineral is the ore Of aluminium ?
Radon, used in radiotherapy, belongs to which group on the periodic table?
Which chemical compound is used in the indelible ink for elections?
Identify the element that is NOT a metalloid.
