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Define Reagents Estimation of Iron in the Solution?
1. Conc. sulphuric acid (iron free)
2. Conc. potassium permanganate solution
3. Saturated potassium persulphate (K2S2O3) solution:
Shake 7-8 g of reagent grade iron free potassium persulphate with 100 ml of water in a glass stoppered bottle. Compensate for loss by decomposition. Shake briefly before use. Keep the reagent in the refrigerator.
4. 3N potassium thiocyanate solution:
Dissolve 146 g of potassium thiocyanate in 480 ml ofdistilled water. Filter ifturbid. Add 20 ml of acetone to improve keeping quality.
Is crossing over important for the diversity of biological evolution? The Sexual reproduction and the recombination of linked genes (crossing over) are, along with mutations, t
Q. Show Artificial systems of classification of plants? Carolus Linnaeus (1707-1778) popularly known as Carl Von Linne was born on May 1707 at Result, a small village in Smalan
PROCARYOTES TO EUCARYOTES Procaryotes are the simple, unicellular organisms which do not have well defined nucleus, whereas eucaryotes are the complex;multicellular organisms w
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assignment on prolactin
List host factor which play important role in implant survival. Host factors: a) Medical status of the patient b) Habits - Smoking - Parafunctional habits c) O
Acetylcholine, a well known neurotransmitter, plays a critical synaptic role in the initial formation of memory. Chemical blockage of the acetylcholine receptors makes it harder to
What is the goal of risk assessment? The goal of risk assessment is to provide risk managers, who might be, for example, government regulatory officials, industry health a
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Cost due to Injury to Worker Medical cost - medicine, surgery, hospitalization, extended treatment. Working time lost due to injury or death. Time loss of cowork
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