Which of the following is a white crystalline solid? Magnesium Oxide is an ionic compound, formed by the transfer of electrons from one element to the other. Since it is an ionic compound, MgO is solid. It is also white and crystalline in nature. What is meant by a crystalline solid? Crystalline solids consist of […]
What cycle does a refrigerator work on?
What cycle does a refrigerator work on? Air cycle refrigeration works on Reversed Carnot cycle and Bell Coleman cycle. Air is compressed and then heat removed, this air is then expanded to a lower temperature than before it was compressed. . Where is refrigeration used? Refrigeration has many applications, including household refrigerators, industrial freezers, cryogenics, […]
What are examples of lava plateau?
What are examples of lava plateau? The magma that comes out through narrow cracks or fissures in the crust spread over large area and solidifies. These layers of lava sheets form lava or volcanic plateaus. The Antrim plateau in Northern Ireland, The Deccan Plateau in India and the Columbia Plateau in the United States are […]
How is DNA used to identify individuals?
How is DNA used to identify individuals? DNA fingerprinting is a chemical test that shows the genetic makeup of a person or other living things. It’s used as evidence in courts, to identify bodies, track down blood relatives, and to look for cures for disease. What are the steps of gel electrophoresis? There are several […]
What is the fastest instrument to learn?
What is the fastest instrument to learn? These are the 10 Easiest Musical Instruments to Learn for Adults over 50 The Recorder. The recorder is one of the easiest instruments to learn. The Lyre Harp. Harps come in many sizes and with various numbers of strings. Percussion Instruments. Bongos. Castanets. Drum Kit. Tambourine. Guitar. What […]
What is the source of energy for the life in deep sea ocean trenches where sunlight does not reach?
What is the source of energy for the life in deep sea ocean trenches where sunlight does not reach? Answer: Instead of sunlight, vent life relies on hydrogen sulfide – more commonly known as rotten egg gas and toxic to most land-based life. In a process called chemosynthesis, specialized bacteria create energy from the hydrogen […]
How a ring main is wired?
What is tan90 value?
What is the strongest alloy?
What is the strongest alloy? Steel What are some examples of alloys? An alloy is a mixture or metallic-solid solution composed of two or more elements. Examples of alloys include materials such as brass, pewter, phosphor bronze, amalgam, and steel. What alloys do we use everyday? List of Alloys and Their Composition and Uses Name […]
What is a good example of instantaneous speed?
What is a good example of instantaneous speed? At a given instant time what we read from the speedometer is instantaneous speed. For example, a car moving with a constant speed travels to another city, it must stop at red lights in the traffic, or it should slow down when unwanted situations occur in the […]