A. Nitric oxide
B. Nitrous oxide
C. Nitrogen penta oxide
D. Nitrogen
✅ The correct answer is option B.
Identify the non-metallic mineral from the given options:
A. Manganese
B. Magnesium
C. Silica
D. Bauxite
✅ The correct answer is option C.
Which among the following are constituents of Brass?
A. Zinc and Copper
B. Iron and Zinc
C. Copper and Nickel
D. Iron and Copper
✅ The correct answer is option A.
Which among the following acids is abundant in Grapes, Bananas and Tamarind?
A. Lactic Acid
B. Oxalic Acid
C. Salicylic Acid
D. Tartaric Acid
✅ The correct answer is option D.
Which among the following gas was leaked at Bhopal during the Bhopal gas tragedy at 2- 3 December 1984?
A. Methyl isocyanide
B. Methyl isocyanate
C. methyl isochloride
D. methyl isochlorate
✅ The correct answer is option B.
In the manufacture of Vanaspati ghee from vegetable oils, which among the following gas is used?
A. N2
B. CO2
C. H2
D. Ne
✅ The correct answer is option C.
When a tubelight breaks, a cracking sound is produced because ____?
A. Pressure inside the lamp is less than atmospheric pressure
B. Pressure inside the lamp is more than atmospheric pressure
C. The lamp is filled with reactive gases
D. The lamp is filled with mercury vapour
✅ The correct answer is option A.
Which among the following is the objective of the Methyl tert-butyl ether (MTBE) mixing with Petroleum?
A. Raise Octane Number
B. Antioxidant Stabilizer
C. Lead Scavanger
D. Fuel Dye
✅ The correct answer is option A.
The most important contributor of sea salt is ____?
A. Rivers
B. Salty Rocks at bottom of sea
C. Aquatic animals in Sea
D. Atmosphere around sea
✅ The correct answer is option A.
Which among the following elements are generally find in free state?
A. Group 11 elements
B. Group 12 elements
C. Group 13 elements
D. Group 14 elements
✅ The correct answer is option A.