Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Borax bead test : The transparent glassy bead while heated along with inorganic salt and the colour produced gives some idea of cation present in it.
Table:
Colour of bead in oxidising flame
Colour of bead in reducing flame
Basic radical present
Greenish when hot, blue in cold.
Red and opaque
Cu
Dark green in hot and cold
Same
Cr
Deep - blue
Deep blue
Co
Yellow when hot
Green
Fe
Violet in hot and cold
Colourless
Mn
Brown in cold
Grey or black or opaque
Ni
The uncertainty principle and the concept of wave nature of matter was proposed by ...... and ...... respectively: (1) Heisenberg, de Broglie (2) de-Broglie, Heisenberg
The molecule having one unpaired electron is: (1) NO (2) CO (3) CN - (4) Fe Ans: NO
Will benzylic halide undergo SN1 or SN2 mechanism ?Why? Ans) Benzyl chloride is a primary alkyl halide and undergo SN2 rapidly.
A 0.5M solution of NaNO2 is made. What is the pH of the solution?
What property command to water soluble vitamins permits water solubility Ans) Because of 1]OH bond between them 2] polar componets 3] Availibility of in nature
steric effect affecting the end product of organic compound
Caustic Embrittlement: Caustic embrittlement is a type of boiler corrosion caused by using highly alkaline water in the boiler. During softening process by lime-soda processes, fr
Versatile nature of Carbon-Catenation The chemical compounds can be mainly classified into two main categories. These are organic and inorganic. More than 90 elements are in
Low grade oxide, sulphide and carbonate ores of copper are treated with dilute sulphuric acid in the existence of oxygen: CuO+ H 2 SO 4 ------------------> CuSO 4 + H 2 O CuC
Elements of Group 13 are namely, boron, aluminium, gallium, indium and, thallium. While studying the alkali and alkaline earth metals, you have seen that all the elements of these
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd