what is importance pH in our daily life
A fuse wire repeatedly gets burnt when used with a good heater . It is advised to use a fuse wire of:
(a) more length (b) less radius (c) less length (D) more redius
explain in detail the role of pH in our daily life.
What does a dot in a chemical formula mean? eg CuSO4.5H2O. Does it mean that the one molecule ofCuSO4is attached to five molecules ofH2O??? pls expalin with help of diagram...
Why does an aqueous solution of an acid conduct electricity ?
What happen when nitric acid is added to egg shell??????
is mgcl2 an acidic, basic or neutral salt?
give two examples of natural indicators?
name any two synthetic indicators?
mention a few natural indicators other tha termeric ,litmus?
what is litmus what is its original colour
Name 20 naturally occuringacids with their source.
what is the chemical formula for soda acid fire extinguisher
lemon, amla and orange all have citric acids. then what is the reason of change of taste?
how plaster of paris is prepared?What is its chemical formula and chemical name?
Name the gas evolved when dilute sulphuric acid acts on sodium carbonate. Writ the chemical
Name the acid present in ant sting and give its chemical formula. Also give the common method to get relief from the discomfort caused by the ant sting.
Are all acids taste sour ? If no, give example.
preparation of washing soda by solvay process
WHAT IS THE DIFFERENCE BETWEEN ALKALIS AND BASES ?
pls can you give me the answer of activity 2.2 of ncert science book ch-2 of class - 10
the chemical formula of POP is CaSO4.1/2H2O, How can H2O be (1/2) divided
WHAT IS BRISK EFFERVESCENCE?
What is the pH value of milk,curd ,saliva, washing soap, soap, toothpaste and tamarind?
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