How is hardness of water caused?
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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.
How are ph and pka related?
How is temporary hardness be removed?
Why does a pencil look cracked, when partly immersed in water ?
what is the difference between vector and tensor?
Why does a rose appear black when the light of any other colour except red is made to fall on it ?
Explain about Match Industry ?
What is blank solution?
Is water element or compound ?
Why is Davy Lamp called a Safety Lamp ?
When a glass rod is heated gradually and suddenly dipped in cold water, it cracks. What is the reason????????? When a cool glass rod is suudenly heatd, it cracks. Why?????????
Which of the above conductivity measured during conductometric titration?