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During a flame test why is calcium''s flame not persistent, while that of strontium is?
Ans) Because it does not have many ions as compared to the Strontium. It is the ions which produce color.
catalytic property of nickel
Which of the following is not true in Rutherford's nuclear model of atom: (1) Protons and neutrons are present inside nucleus (2) Volume of nucleus is very small as compared
mention the basic tendency of an atom which makes it to combine with other atoms.
how will you test for the presence of the halogen in iodoform?
hno3 reactio
preparation of iodoform in lab
write a conclusion on this topic
Q. What do you mean by Fusion Reactors? Ans. It is pretty difficult to achieve fusion in the laboratory. A lot of energy is needed to initiate the fusion process and the
Alkaline earth metals: The elements Be, Mg, Ca, Sr, Ba and Ra belong to II A group. 2. II A group elements are also called alkaline earth metals. 3. The valence electron
Which of the following set of quantum numbers is correct for the 19th electron of chromium: n l m s (a) 3 0
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