who invented the first projector?
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What is a cell?
Hom many total number of inner transition elements are?
Why is starch indicator added towards the end point?
why we shrink our body during cold
Give the principle of potentiometer titration.
Why are the titration involving edta carried out slowly towards the end point?
Why is clinical thermometer used in preference to and ordinary Fahrenheit thermometer ?
What is the basicity/acidity of na2co3
How is temporary hardness be removed?
State beer-lambert’s law.
Mention the formula to calculate ph of a solution?
Why ph scale range is 14? Why it is not less or not greater than 14?