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Explain the steps involved in the preparation of either potassium dichromate from sodium chromate or potassium permanganate from manganese dioxide.
1 gm of a metallic oxide on reduction gives 0.68 gm of the metal. ans) Mass of metal/mass of oxygen=eq. mass of metal/eq. mass of oxygen. applying this we get .68/.32=x/8 x=1
Paired Comparison (Preference) Test In this test the assessor is presented with two coded products and asked to indicate whether there is a preference between them. The test
Chemical Properties Proteins - Hydrolysis Hydrolysis : The very simple proteins are hydrolysed by acids, alkalies or enzymes to generate amino acids. Subsequent steps are inclu
Q. Define Egg foam stability? The two factors of utmost importance in egg white foams are stability and volume. Several factors influence one or both of these characteristics
Uses of Formic acid - Carboxylic acids (a) Formic acid is used in the laboratory for preparation of carbon monoxide. (b) Formic acid is used in the preservation of fruits.
Calculate the total heat (in J) needed to convert .777 moles of gaseous ethanol at 300 degrees C and 1 atm to liquid ethanol at 25 degrees C and 1 atm. Extra info: b.p. 78.5 degree
how many times does water need to be magnified to see the atoms
Potentiometric titration
Structure and IUPAC name of K3[Al(C2O4)3]
Explain the following observations: (i) Generally there is an increase in density of elements from titanium (Z = 22) to copper (z =29) in the first series of transition element
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