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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.
High voltage power supply
Riboflavin (vitamin B2) Riboflavin was isolated in a crystalline form from milk by Kuhn and co-workers in 1933. Because of this, the early name of the vitamin was la
Ventures in Space: Sometimes the atmospheric conditions distort the light or radiowaves coming in from space. For instance, there may be a storm disturbing the radiowaves. O
Useful Instruction : You should go through of LT-1 course before doing this exercise. This exercise is a mix of demonstration and hands on activities. Take the help of your counse
affinities of ctenophora with platyhelminthes
Question 1 Illustrate the concept of Economic Order Quantity Question 2 Omega Healthcare is planning to open a hospital in North Bangalore region. For this purpose t
DISPOSAL OF WASTE MATERIALS : In a school or college science laboratory, chemical wastes, broken glassware, unserviceable non consumable items, obsolete instruments, used biologic
Explain the Function of Nose You would agree that one of the most prominent features of the face is the nose. The nose is the first of the respiratory organs through which we r
what is the unsaturated
Define Natural killer cells (NK cells) They are large sized lymphocytes, specifically equipped to kill virally infected cells, some of the virally infected cells acquire a spec
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