A. metallic property
B. Chemical Reactiveness
C. Valency
D. Electron affinity
✅ The correct answer is option C.
Which among the following were not discovered by the time , Mendeleev published his periodic table?
A. Lathanides
B. Actinides
C. Noble Gases
D. Halogens
✅ The correct answer is option C.
Ekaboron was an element predicted by Mendeleev and he leaved a space for it in his Periodic Table. Later Ekaboron was identified with _____?
A. Gallium
B. Scandium
C. Technitium
D. Germanium
✅ The correct answer is option B.
Which among the following allotropes of Oxygen is found in 6 phases under various pressures and temperatures?
A. Ozone
B. Tetra oxygen
C. Octaoxygen
D. None of them
✅ The correct answer is option C.
Buckeyballs are basically the allotropes of _________?
A. Carbon
B. Sulfur
C. Phosphorus
D. Calcium
✅ The correct answer is option A.
What is the number of synthetic elements in periodic Table?
A. 18
B. 22
C. 24
D. 26
✅ The correct answer is option C.
Kimberley Process‖ is related to which among the following ?
A. Gold
B. Diamonds
C. Semi Precious Stones
D. Aluminium
✅ The correct answer is option B.
Which among the following protein is responsible for maintenance of osmotic pressure?
A. Beta macroglobulin
B. Gamma globulin
C. immunoglobulin
D. albumin
✅ The correct answer is option D.
Pearl is mainly made up of which among the following?
A. Protein
B. Calcium Carbonate
C. Silica
D. Sodium Carbonate
✅ The correct answer is option B.
As we all know that, Gunpowder is a mixture of sulfur, charcoal, and potassium nitrate. Which among these components adds in speeding up the burning of the Gun Powder?
A. Only Potassium Nitrate
B. Only Charcoal
C. Only Sulphur
D. Both Sulphur and Potassium Nitrate
✅ The correct answer is option C.