Mesothelioma is a type of Cancer. The main cause of mesothelioma is Lead dust.
Both oxygen and water are required for the rusting of Iron. In their absence, rusting does not take place.
A substance that initiates or accelerates a chemical reaction without itself being affected is called Catalyst.And the substance that initiates the activity of catalysts is called Promotor.
Chemical reactions carried in the presence of sunlight are known as photochemical reactions.
Digestion of food in the body is also decompostion reaction.
A silver plate is dipped in copper nitrate sollution, no reaction will take place because silver is less reactive than copper.
Precipitation reactions are used in industry to form barium sulphate, which is used in paint preparations and in X-rayphotography.
Milk of magnesia or in any other form of antacid magnesium hydroxide will neutralize the excess hydrochloric acid in our stomach by producing water.
Many plants contain their own indicators-turmeric, red cabbage juice and beetroot juice are three good examples.
Carbonic acid does not react with metals.
An aqueous solution of sodium chloride is known as brine.
Gold is probably one of the hardest metal. One can wonder, a wire of nearly two kilometers can be drawn from one gram of the metal.
Metals are generally solids except mercury, it is liquid at room temperature.
Gold is most ductile metal.
The reaction is exothermic and Hydrogen gas catches fire, not the metal.
Aqua regia (Latin terms for royal water) is freshly prepared mixture of concentrated HCl and concentrated Nitric acid in the ratio of 3:1 by volume. It is one of the few reagents that is able to dissolve gold and platinum.
Lewis symbols are symbols of elements showing valence electrons with dots Or crosses in their ions.
The value of ЁЯТО (diamonds) depend upon its weight and fredom from impurities. Always the weight of diamond is expressed in terms of carats.(1carat=0.2gram)
The combustion is complete in both gases LPG and CNG. both gases have solved our pollution problems.
Urea was the first organic compound to be prepared in the lab.
Methane is also called marsh gas since it slowly gets formed in marshy places.
It is fact from medical point of view, that vegetable ghee and butter are not good for health. They are likely to create heart problems particularly in old people who lack exercise.
Mendeleev is a Russian name. However, it may also be pronounced as Mendeleef which is an English name.
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