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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 secured from a drug store.
to study the presence of aroma taste,ph value and tannic acid of diffrent tea leaves
what kind of questions do they ask at a science fair
Define Ribosomes Ribosomes are small, but complex structures, approximately 20 to 30 nm in diameter, containing two unequally sized subunits, referred to as large and small sub
The difference between hard and soft water Collect some hard water from a stream(or make some as defined in the next experiment). Also secure some soft water like as rain wate
Give reason for the benifits of our technological development not reaching all the strata of our society.
Water extinguishers : Direct the jet at the base of the flame and keep it moving across the fire. Attack a fire which is spreading vertically at its lowest point and follow th
The effect of rain on sloping soil Fill a shallow pan or box with firmly packed soil. Set the pan outside in the rain with one end increased slightly. Observe how the raindrops
Define the term Blood “The ancients believed that blood was the seat of the emotions". Blood, a body fluid, has been correctly termed as an elixir of life. We all have blood
types, principle and working
I dont understand anything. Please explain the whole lesson
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