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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.
Explain Ester formation Ester formation : In presence of dry HCl, amino acids react with alcohol to form esters. This is one of the ways of blocking XOOH group in the
Soil particle distribution The grouping of soil particle distribution into different groups has been done, though arbitrarily, each group represents a range. The limit does no
CONSTRUCTION STANDARDS SET BY BUREAU OF INDIAN STANDARDS : At the construction stage itself, the design of the laboratory buildings should be made in accordance with safety norms.
does the thickness seed coat effect the groth of the seed???
#question.I AM TRAYING TO DO A SCIENCE PROJECT FOR 7TH GRADE BUT I DONT KNOW WHAT SHOULD I DO ?
Moisture comes from other plants Secure a flower pot which has some bean or pea seedlings that are 10 or 15 cm in height. Cover the top of the pot with cellophane or sheet rubb
Explain the Factors That Affect the Reabsorption Process There are also two major factors that affect the reabsorption process. These include: 1) Concentration of small m
Digestion in the Mouth The mouth receives food. The tongue serves in swallowing, manipulating the food for chewing and in perceiving taste. The teeth mechanically subdivide
I need to write a research paper on AI
Explain the Pontine Centre The rhythmic discharge of the neurons in the respiratory centre is modified by centers in the pons (apneustic and pneumotaxic centre). Activity in th
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