Concenteration Terms

A student mixed equal volumes of hydrochloric acid and sodium hydroxide solution of same concenterations in a beaker and tested the pH of the resulting mixture with a pH paper. What will be the colour of pH paper in this case?

On putting a polarimeter tube 25cm long comtaining sugar solution of unknown strength, the plane of polarisation gets rotated through 10^(@) . Find the strength of sugar solution I n g cm^(-3) specific rotation of sugar is 60%(@) //"decimeter"//"unit concenteration" .

Question based on integral terms |Irrational term

constant term a term of the expression having no literal factrol is called a constant term

Constant term A term of the expression having no literal factor is called a constant term.

The average of four terms is 30 and the first term is 1/3 of the sum of the remaining terms. What is the first term?

An AP consists of 23 terms. If the sum of the three terms of in the middle is 141 and the sum of the last three terms is 261 , then the first term is

Number of terms of an AP is even.The sum of odd terms is 24 an that of even terms is 30 . The last term exceeds the first term by 10(1)/(2) . Find the number of terms.