Name the simplest aldehyde and ketone
Both aldehydes and ketones are organic compounds with carbonyl functional groups, but they have different molecular structures. In methanol (always... View Article
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How do you convert a kekule structure from Lewis Diagram form to Condensed and Line-angle structure?
According to Kekule, six carbon atoms of benzene are linked to each other by alternate single and double covalent bonds... View Article
What maximum fraction of the air in the room is displaced by the gaseous nitrogen?
Liquid nitrogen is probably the most promising non-polar inorganic compound. Liquid nitrogen begins to boil when exposed to air. The... View Article
Solve a problem using Clayperon Clausius equation.
The vapor pressure of liquid aluminum is 400 mm Hg at 2.59 x 103 K. Assuming that its molar heat... View Article
What is the limiting reactant?
A limiting reactant or limiting reagent is the reactant that is completely consumed in a reaction. The reaction stops as... View Article
How to determine the molecules formed during a combustion reaction?
Consider In a closed container there are 1,962 molecules of C4H10 and 11,700 molecules of O2. The following are the... View Article
White phosphorus reacts with caustic soda
White phosphorus is an extremely reactive element. White phosphorus ignites spontaneously in chlorine and reacts violently with the halogens. white... View Article
How many formula units of sodium nitrate are present in 33.9 g of the substance?
In chemistry, the mole is a fundamental (SI) unit used to measure the amount of substance. This quantity is sometimes... View Article
Explain the chemical formula of a compound in general
Compounds are represented by chemical formulas. A chemical formula shows the elements that make up the compound and the numbers... View Article
State laws of refraction
The incident ray AB and the refracted ray BC and the perpendicular of B to the surface separating the two... View Article
Define stopping potential
The minimum retarding means the negative potential of the anode of a photoelectric tube for which photoelectric current stops or... View Article
List some uses of non metals
Non-metals are minerals which, as a rule, do not serve as a raw material for the extraction of metal. Some... View Article
Define relative refractive index
The ratio of the speed of light in a vacuum to the speed of monochromatic light in the substance of... View Article
What are the methods to conserve mineral resources?
As the minerals are exhaustible and non-renewable natural resources, their exploitation has to be done systematically and scientifically for sustenance.... View Article
What is the color of ferrous sulphate crystals?
Answer: Light green The ferrous sulphate crystals are light green. Ferrous sulphate is also obtained as a by-product in the... View Article
What is soda lime and its formula?
Soda-lime is a granular solid produced by slacking quicklime (CaO) with a concentrated solution of sodium hydroxide, NaOH(aq). In chemical... View Article
what are acute diseases, chronic diseases, and infectious diseases?
Acute diseases are diseases which last for short periods of time. An example of an acute disease would be the... View Article
Write short notes on enzymes and vitamins.
(i) enzymes are biocatalysts that help the reactions in the bodies of living things to proceed under relatively mild conditions.... View Article
Briefly explain any three procedures used in the concentration of metal ores
(i) Hydraulic Washing: in this procedure, the ore is first powdered. A stream of water running in an upward direction... View Article
Briefly explain any three methods for the refining of metals.
Answer: (i) Distillation – in order to obtain the pure metal as a distillate, the impure metal block is evaporated.... View Article
