how to do heavy metal test for colour sample?
charcol added with sample after decolourised then do the as
usual procedure
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What is meant by amalgam ?
With what metal, chocolates, cigarettes etc. are wrapped ?
What is Daltons Atomic Theory ?
What is an indicator electrode?
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 not hydrogen power does it PH? explain plz....
What are constituents of brass?
Why can?t the meat and dal( pulses ) be cooled well on the top of high mountains ?
When we heat one end of and iron bar, the other end also gets heated up why ?
Why ph scale range is 14?
Though the secondary cell can be recharged again and again, still they have a lifetime. Why?
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We see the sun before it rises above the horizon in the morning. Why?