how to balance chemical equation c6h6+o2 arrow mark co2+h20 but. i tried and in RHS why should we put 12 next to carbon instead of that we can put put 3 so that makes 6

Q. For the following algebraic equation 4x + y = 3, if we put x = 1 and y = 3 then LHS will be equal to RHS.

Q. The x-ray target was put at an angle to the incident electrons so that produced x-rays can be collected in particular direction. How about instead we put a magnetic field around the target that will bend the x-ray in our preferred direction?

Q. In how many ways we can put $5$ writings into $5$ corresponding envelopes so that no writing go to the corresponding envelope$?$

Q. Why should we not put stainless steel spoons in pickle jars?