Questions asked by Reyan Roberth
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Factorise the following using completing square method?

What happens during the incomplete oxidation of alcohol?

How to convert alcohols to ketone?

Represent all the trigonometric ratios as positive and negative in the 4 quadrants?

Balance by partial equation method : Cu+HNO3=Cu(NO3)2+N2O+H2O?

K2Cr2O7 + H2SO4 + SO2 = K2SO4 + Cr2(SO4)3 + H2O balance by partial equation method??

If P+Q=R and if Q is doubled and R is doubled then find Q?
Note. P ,Q And R are vectors each

A compound containing Na, S, H, and O where, Na =14.28 %, S = 9.92%, H = 6.2% and the rest are O. The molecular mass of the compound is 322. Calculate the molecular formula of compound considering all H atoms are present as water of crystallization?

What is the equivalent mass of kmno4 in 2kmno4+16hcl=2kcl+2mncl2+8h2o+5cl2?

0.796 gm of metal oxide when heated with current of dry H2 , 0.18 gm of H2O was found.he equivalent mass of metal?

4.74 gm of CuO when heated with current of H2 gave 3.78 gm of metal.Find the Equivalent mass of Cu?

If #A+B / AB=1# what is the value of A.B and A X B??

Is the universe in motion or it is at rest??

Physics : Motion in a straight line ....... HELP?

If # alpha +beta gamma =pi#
Prove that #(sin^2alpha + sin^2beta  sin^2gamma)=#2sin alpha ×2sin beta ×2 cos gamma#?

An object moves 1m in a straight line displacement a and changes direction moves another 1m in straight line displacement b and then ends up 1m from the starting point.
Through which angle did it turn?
Find the magnitude of ab

A car is driven east for a distance of 40km the north for 30km and then in a direction 30° east of north got 25km. Determine the magnitude and the angle of the total displacement from its starting point.?

Determine the formula of
A. Molarity
B. Molality
C. Mole fraction
D. Normality ?

Dimensional analysis doubt!!!??