# Posts by yram

Total # Posts: 4

**math**

The volume of rectangular solid is x^3 +3x^2+2x-5) cubic cm and its height (x+1 )cm.what is the area of its base

**chemistry**

true

**chemistry**

please anyone can answer my question..

**chemistry**

mixed about the 5grams of benzois acid and sugar. divide the mixture into two equal portions . to thheh first portion add 20ml of water. shake vigorously and filter. examine the residue and compare with the original sample. heat the filter to dryness and identify the residue. ...