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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 elements.
(ii) Transition elements and their compounds are generally found to be good catalysts in chemical reactions.
#questiowhy HNO3 is not used for detection of acidic radical of 1st and 2nd group ions?n..
Describe the following giving suitable examples: i. Cannizzaro reaction ii. Aldol condensation b. Give a chemical test to distinguish among ethanal and propanal.
how to calculate for mole
Compound A has the molecular formula C 4 H 8 O 2 . Figure 1 gives the infrared spectra of compound A. Table gives the chemical shifts and multiplicity data of the broad-ban
Uses of Citric Acid It finds make use in making lemonades, like an acidulant in food and soft drinks and makes the lemon sour, like a mordant in dyeing and calico printing. Fer
Water pressure is the same in all directions Punch holes around the base of a tall tin can with a nail. Wrap the holes as above with a strip of tape. Fill the can with water an
Explain What is the primary structure of a protein? Ans) The primary structure of protein is the linear sequence of amino acids that form the molecule. Modification of only s
basic principle of electrogravimetry
The amount of energy released when one mole of bonds are formed among the corresponding gaseous atoms is known as Bond energy.
give an example of tri atomic gass
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