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Physical properties of Glucose 1. Glucose is a colourless crystalline solid, melts at 146° C. 2. Glucose is readily soluble in water. 3. From aqueous solution,Glucose se
Acetic acid (HAc) is generated by the addition of 10% excess sulfuric acid to calcium acetate (Ca(Ac) 2 ) (stream 1 compared to stream 3). The flow diagram is shown below.
The energy of a photon is calculated by: (1) E= hv (2) h= Ev (3) h = E/v (4) E= h/v Ans: E= hv
The positive charge of an atom is: (1) Spread all over the atom (2) Distributed around the nucleus (3)Concentrated at the nucleus (4) All of these Ans: Concentr
which element have highest oxidation number and why?
Q. Show Sulphide Minerals? In these minerals metals are present as their sulphides. For example, iron pyrites (FeS 2 ), calcocite (CU 2 S), chalcopyrite (CuFeS 2 ), zinc blende
An electronic transition from 1s orbital of an atom causes: (1) Absorption of energy (2) Release of energy (3) Both release or absorption of energy (4) Unpredictable
Ernest Rutherford in 1909 conducted what is now a famous experiment where he bombarded gold foil with alpha particles (Helium nuclei). A source which undergoes for alpha decay is
how can you relate boyle''s law to atmospheric pressure?
Which of the following ions is not having the configuration of neon: (1) F - (2) Mg +2 (3) Na + (4
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