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Q. Explain about Chemistry and Matter? Chemistry is the study of matter as well as the changes that it undergoes. Matter is anything which has mass and takes up space. Mas
suppose n mmol of solute A in Vaq ml of aqueous solution is extracted with Vorg ml of animmiscible organic solvent. at equilibrium n1 mmol of A will remain in the aqueous layer and
,Potassium-42 is a radioisotope that nutritionists use to determine whether the body is effectively using potassium at the cellular level. The half-life of potassium-42 is 12.4 hou
Explain and Define standard feat of formation Ans) The amount of heat liberated of absorbed when single mole of compound is formed in its standard state from its elements in the
Silver has a density of 10.5gcm -3 . The no. of silver atoms on a surface area of 10-12m 2 can be expressed in scientific notation aas y x 10x.The value of x is ..? Ans) d = m
Thermosetting polymers - Classification of polymers These are the polymers which go through permanent modification on heating. They get firm and infusible on heating. They are
what could be the distillate present in acetaldehyde after preparation in lab
Osazone Formation - Test of Glucose Glucose on heating along with excess of phenyl hydrazine in acetic acid provides a yellow crystalline substance, m.pt. 205 ° C.
4-methyl 2- hexyne
Q. Explain Basic physical properties of Gas? Ans. Gases are the least dense phase of matter. Gases can be easily expanded or compressed. They exert pressure equally in
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