why the pH scale range is 0-14?
Mention the different types of conductivities.
Explain the Different types of solutions ?
Why it is advised to boil water before drinking ?
What is the limitation of cod?
What is an indicator electrode?
On the cold morning, a gardener touches the iron blade of his spade with one hand and its wooden handle with other hand. Why does he feel the iron blade to be colder than the wooden handle ?
When we pour into a tumble, bubbles ate seen outside why?
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.
Which expands to the greatest, when heated : silids, liquids or gases ?
Why titration in which hcl and h2so4 is use?
How is petroleum manufactured?
However ozone is heavier than oxygen still ozone is up there in sky why?