What is the reaction that occurs between iodine and sodium thiosulphate?
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What is meant by amalgam ?
Of what substance are lead pencils made ?
Why be is not soluble in liquid ammonia?
What is flash point ?
4.0 liters of oxygen are mixed with 8.0 liters of nitrogen. Identify the solute and solvent in this mixture:
why we shrink our body during cold
Why does the filament of an electric lamp glow, when current passes through it ?
Why is Davy Lamp called a Safety Lamp ?
What is the molarity of a NaOH solution if 32.47ml. isrequired to titrate 0.6013g of potassium hydrogen phthalate?
Why is starch indicator added towards the end point?
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.
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