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Nitroglycerene absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as a controlled explosive called dynamite. The raw material used for its manufacture are glycerene, nitric acid and
The price of raw meterials had gone up by 15% labor cost has also increased from 25% of the cost of ras material to 30% of the cost of raw material. By how much percentage should there be reduction in the usage of raw materials so as to keep the cost same?
The inventory of raw materials included in the working capital is usually about __________ months supply of raw materials valued at delivery prices.
Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid.
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Nitric acid is not used in the manufacture of
When Mr. Sen imports some raw materials he has to pay 7% import duty on the portion of the total value of the item in excess of TK. 1000. If the amount of import duty he paid was TK. 87.50 then what was the value of the raw material that he imported ?
For the manufacture of Portland cement, the proportions of raw materials used, are
Raw materials for 'Solvay Process' for manufacture of the soda ash are
নিম্নের কোন পরীক্ষাটি সালফিউরিক এসিড ও নাইট্রিক এসিডের মধ্যে পার্থক্য করতে ব্যবহার করা যায়? (Which one of the following tests can be used to distinguish between sulphuric acid and nitric acid?