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Q. Test for the presence of linseed oil?
Hexabromide test is done to know the extent of presence of linolenic acid. In presence of fish oils, which are rich in linolenic acid, the test gives precipitates where as if other oils like rapeseed oil are present, the test gives a clear solution. Animal fats may give turbidity when tested in this way. Thus, this test is carried out to test the presence of linolenic acids in the samples.
Krypton ( 36 Kr) has the electronic configuration (18 Ar) 4s 2 , 3d 10 , 4p 6 . The 37 electron will go into which one of the following sub-levels: (1) 4f
A covered glass tube contains 2.25g of copper and 3.32g of sulphur. The mass of the tube as well as its contents is 18.48 g. Upon heating a chemical reaction forms copper(II) sulph
If uncertainty in the position of an electron is zero, the uncertainty in its momentum would be: (1) Zero (2) (3) > h/ 2γ (4) Infinite
why we consider methyl using prefixes?
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Ethyl bromide can be converted into ethyl alcohol using- Moist silver oxide or dry silver oxide?
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Number of electron does species have The H2 2- ion can be conceived to result from the combination of two hydride ions (H-). This species have four electrons; two occupy the b
Which of the following is least ionic: (1) C 2 , H 5 Cl (2) KCl (3) BaCl 2 (4) C 6 H 5 +
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