Ruby is an oxide of__________...? Mcqs

✅ Correct Answer: aluminium oxide

✅ Correct Answer: Ammonia

✅ Correct Answer: Dispersion of light

✅ Correct Answer: Nuclear fusion

✅ Correct Answer: luminous intensity

✅ Correct Answer: Kinetic

✅ Correct Answer: Atoms

✅ Correct Answer: seven colours

✅ Correct Answer: 63% tin and 37% lead

✅ Correct Answer: to remove waste from blood

✅ Correct Answer: Sand and Silicates

✅ Correct Answer: 78% Nitrogen

✅ Correct Answer: Electric wires

✅ Correct Answer: Polyvinyl chloride

✅ Correct Answer: 0.03 to 0.04% CO2

✅ Correct Answer: protein

✅ Correct Answer: Vitamins

✅ Correct Answer: vitamin D

✅ Correct Answer: Rain

✅ Correct Answer: All of above

✅ Correct Answer: increasing kinetic energy of molecules

✅ Correct Answer: The scattering of sunlight by air molecules

✅ Correct Answer: Nichrome

✅ Correct Answer: Three

✅ Correct Answer: vitamin A

✅ Correct Answer: Oxygen

✅ Correct Answer: Elongation of eyeballs

✅ Correct Answer: 21% Oxygen approximately

✅ Correct Answer: Lycopene

✅ Correct Answer: Gelatin

✅ Correct Answer: Brain

✅ Correct Answer: Haemoglobin

✅ Correct Answer: Toluene

✅ Correct Answer: Echo

✅ Correct Answer: maize

✅ Correct Answer: 4.5 Billion years

✅ Correct Answer: irregular shape of the molecules and strong inter-molecular forces

✅ Correct Answer: Proteins

✅ Correct Answer: Elastic cartilage

✅ Correct Answer: is poisonous to tissues

✅ Correct Answer: 200

✅ Correct Answer: 60% Nitrogen, 40%inert gases

✅ Correct Answer: Time capsule

✅ Correct Answer: Both A and B

✅ Correct Answer: Ultraviolet radiation

✅ Correct Answer: Small electric sparks

✅ Correct Answer: 4

✅ Correct Answer: nitrogen

✅ Correct Answer: Proteins

✅ Correct Answer: Venus

✅ Correct Answer: 1055 Joule

✅ Correct Answer: Carbon, Hydrogen and Oxygen

✅ Correct Answer: Liver

✅ Correct Answer: Polypeptide

✅ Correct Answer: Atoms

✅ Correct Answer: Seven colours

✅ Correct Answer: DNA and Proteins

✅ Correct Answer: Zinc

✅ Correct Answer: Solid Carbon dioxide

✅ Correct Answer: Air temperature

✅ Correct Answer: Zn(OH)2

✅ Correct Answer: airborne allergens

✅ Correct Answer: Clouds