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A chemical change takes place when one or more substances change into new substances. A chemical change is as well known as a chemical reaction. The emergence of new substances is the sign that a chemical reaction has occurred. In a chemical effect the substances present at the start are called reactants. The new substances which are formed in the reaction are called products. A chemical reaction is symbolized by a chemical equation which shows the relationship between reactants and products.
Q. How to prepare ammonia in industrial level? Ans. Production of Ammonia Ammonia, NH 3 , can be prepared by adding a strong alkali metal (such as sodium) to an ammon
The four quantum numbers of the valence electron of potassium are : (1) 4, 1, 0 and 1/2 (2) 4, 0, 1 and 1/2 (3) 4, 0, 0 and +1/2 (4) 4, 1, 1 and 1/
Formic acid is a weak acid along with a pKa of 3.75. The name comes by the Latin term "formica" ("ant") since this is very plentiful into the secretions of several species of ants,
Saturated and unsaturated compounds If, in an organic compound consisting of two or more carbon atoms, there are just only single bonds among carbon atoms, after that the comp
Question: (i) Differentiate between ionic, metallic, covalent and dipole-dipole bonds. Provide examples in each case. (ii) With regard to electronic con?guration, what do a
color formation of d-block elements
Q. Write short notes on priming and foaming. Ans. Priming and foaming: When a boiler produces steam rapidly, some particles of the liquid water are carried along with the s
Write the alkali metals in increasing order acc to ther atomic masses
Heat Conductivity When considering the design of houses, the heat conductivity by walls, roofs, and the floor plays an significant role. The heat conductivities (λ) of some bui
I think it''s funny how you guys say that you''re experts, but on the periodic table on the site you have the noble gases listed as inert elements. If whoever created that page act
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