With what metal, chocolates, cigarettes etc. are wrapped ?
Explain about Oxide ?
What important property of water makes it possible for plants to grow under it and for animals to live it ?
What is Salts ?
What is Distillation ?
Which gas used for purifying, air in underground enterprises ?
Explain the Compound?
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 is the main constituent in air ?
What is the principle involved in conductometric titration?
How to do acidity alkanity test ofsodium chloride
Why has every parachute a hole in the centre ?
Why does a pond of clear water appear less deep than it really is?