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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.
AS THIS ALKALI METALS HAS LARGE SIZE AND LESS IONISATION ENERGY THEY LOSE THEIR OUTERMOST ELECTRON EASILY. PHOTOELECTRIC EFFECT MEANS EJECTION OF ELECTRONS FROM A METAL WHEN THEY
The number of unpaired electrons in Fe 3+ (Z= 26) are: (1) 5 (2) 6 (3) 3 (4) 4 Ans: 5
write the expression for the expansion work?
#question.whats the chemical formula for cobalt(11)sulfide.
Aufbau principle is obeyed in which of the following electronic configurations: (1) 1s 2 2s 2 2p 6 (2) 1s 2 3p 6 3s 2 (3) 1s 2 3s 2 3p 6
Q. Why are acceptance tests used? Acceptance tests are used to evaluate product acceptability or liking or to determine which product is the most acceptable or the most prefer
The following sequence of reactions was used to synthesis compound F. In the first three steps, compound C is produced which is then used in the final step to form the final produc
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[CO(NH3)6]CL3
environmental pollution caused by nitrogen
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