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Air is removed from the lamp, otherwise the filament will be
oxidized due to the oxygen present in the air.
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describe the lewis dot structure of Mg2+?
Does domestic/household used kerosene oil which is available in blue color (In India) can change its color over the due course of time say 8-10 years if keeping in plastic bottle? If so, in which color it will be turned to change, yellow or transparent or any other color. Please provide me the reply with strong technical approach. Since it has been asked during an interview. Please reply fast. I will be thankful to you if anyone can provide the supporting journals/write-ups/reference to favour of response.
Cholesterol is a compound suspected of causing hardening of the arteries. The formula of cholesterol is C27H46O. a. A sample of cholesterol is isolated from the arterial lining of a 60-year-old American male. What is the formula of this compound? b. Cholesterol is extracted from a chicken’s egg. What is the formula of this compound?
How is the measurement of ph made?
Why is the color of the indicator drop remains the same at the end point?
Why ph scale range is 14? Why it is not less or not greater than 14?
Which is the indicator used in the determination of cao I cement solution?
What are the constituents of cements?
Arrange by acidic values : phenol, nitrotolouene and o-cresol?
State beer’s law.
Which is the best conductor of electricity?
Why ph scale range is 14? Why it is not less or not greater than 14? Solution of hcl or hydrogen containing liquid has a ph. But if the solution is kmno4 here nothydrogen power does it ph?
What is the reaction that occurs between iodine and sodium thiosulphate?
What is weak acid?
Why are the titration involving edta carried out slowly towards the end point?
