A. Aluminimum B. Copper C. Zinc D. Lead Zinc is used for galvanizing iron. Galvanization (or galvanizing as it is most commonly called in that industry) is the process of applying a protective zinc coating to steel or iron, to prevent rusting.
A. rat B. dolphin C. bat D. Elephant dolphins are the Highly intelligent Mammals.
A. Increase B. Decrease C. Remain unchanged D. None of the above Sugar is a non-volatile solute. Adding sugar to water will raise the boiling point and decrease the freezing point of water.
A. Nitrogen B. Helium C. Oxygen D. Argon
A. Stratosphere B. Mesosphere C. Troposphere D. Thermosphere
A. 35 km/h B. 55 km/h C. 75 km/h D. 100 km/h
A. 33 B. 20 C. 15 D. 32 Humans usually have 20 primary (deciduous, “baby” or “milk”) teeth and 32 permanent (adult) teeth. Most people know these teeth as baby teeth, though they are also sometimes called milk teeth or primary teeth. In all, children have 20 baby teeth – 10 on the top and … Read more
A. Hydrogen B. Oxygen C. Nitrogen D. Carbon dioxide Hydrogen gas is used in the manufacture of Banaspati Ghee. Banaspati Ghee is made from hydrogenated vegetable oils. Is white and grainy (danedaar) in texture and is favored for deep-frying and making sweets and snacks.
A. Conjunctiva B. Iris C. Pupil D. Cornea
A. 25-30KB B. 28-30KB C. 29-30KB D. None of these