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Q. Test for the presence of argemone oil?
This test helps to detect the presence of argemone oil. Argemone mexicana is the plant, which yields seeds of this oil. The seeds are very small similar to black mustard seeds but has striations and pointed end. Oil extracted from these seeds is toxic in nature and results in epidemic dropsy. These toxic substances are soluble in HCl and with Ferric Chloride (FeCl3) they are precipitated out. These precipitates contain needle-shaped crystals and can be observed microscopically.
Drying - Chemical Properties of oils and fats Some fixed type of oils, containing glycerides of unsaturated fatty acids comprising two or three double bonds have the trend of s
Which is the correct relationship between wavelength and momentum of particles: (1) γ= h/ p (2) Π h/ p (3) p= h/ γ (4) h= p/ γ Ans: γ= h/ p
Q. Storehouse of minerals? in addition to the earth's crust, oceans also provide a huge storehouse of minerals in which the metals occur primarily as soluble sulphates and hali
Why lead and mercury are in 1st and 2nd group of basic radicals
WHAT IS THE CHEMICAL EQUATION FOR LITHIUM SOLUTION WHEN AMMONIUM FLUORIDE AND AMMONIA ARE ADDED
Equilibria Equilibrium can also exist in between the same species in two different forms e.g. liquid and solid, liquid and gas. An equilibrium constant may also be produced for
Q. Illustrate Properties of Protons and Neutrons? Ans. We now know that following fundamental properties of protons and neutrons: 1. The proton has a charge of +1, which
What do you mean by limiting diffusion current in polarography
What is the theoretical BOD of 1 liter of Coca-Cola. Assume all carbohydrates/sugars are sucrose. (Hint: use the Internet to find a label or look at a can. Be careful with serving
a) Write down the balanced reaction equation of the key reaction path. b) Which reactions can occur during further oxidation (except total oxidation) ? The us
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