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Cement and concrete
Secure a small bag of Portland cement. Have the pupils mix it with water and put it in tin can covers, paper cups, or small pasteboard boxes unless it hardens. Study its appearance and its properties. Break a piece of cement and study it. Mix the dry cement with about twice as much sand or gravel. This will form concrete. After adding water and mixing thoroughly place it in moulds. Permit these to arden various days. Again study the appearance and the characteristics of these samples.
assg inment
Hydrophobicity of Amino Acids Hydrophobicity of amino acids and also of peptides and proteins may be determined by relative solubility of amino acid in water and in a less
What is a floodplain? If a river tends to flood, the most practical solution might be to designate a more or less flat area along the river as the "floodplain". This Area is p
Mr. X was administered the Personality Assessment System (PAS), which is an individually-administered assessment of a person's personality structure and function. His total P score
How to prepare hydrogen Hydrogen can be prepared from a dilute acid, like as hydrochloric or sulphuric, when it is chemically reacted with a metal like as zinc. The acid may be
Cis-isomer : Both hydrogen atoms located on the same side of the double bond.
what does mean of BR and RM value of ghee. why one should measure these parameters.
Explain the Respiratory Adjustments Certain adjustments need to be made inside our body as well, to cope up with the varying environmental conditions, as well as, abnormal and
how semiconductor detector works
Thiamin (vitamin B1) Thiamin was first isolated in 1926 from rice polishing by Jansen and Donath. Its empirical formula was established in 1931 by Windaus and co-w
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