Practical guides
Board practicals, written the way your practical file is, with worked readings, viva answers and the 3D lab to try each one.
Chemistry · Class 11 and 12Salt analysisFind the one anion and one cation in a salt, test by test, with a worked practical record and viva answers.
Chemistry · Class 11 and 12Acid-base titrationFind the strength of NaOH with oxalic acid: the standard solution, the titration, the calculation and the viva.
Physics · Class 10 and 12Ohm's law experimentVerify V = IR with a nichrome wire: the circuit, the readings, the V–I graph, resistivity and the viva.
Physics · Class 11Simple pendulum experimentTime a simple pendulum at six lengths, plot the L–T² graph, and get g and the seconds pendulum from it, with a worked practical record and viva answers.
Chemistry · Class 9 to 12Flame testIdentify a metal ion from the colour it gives a flame, with the colour chart, the NCERT procedure and viva answers.
Biology · Class 10 and 11The human heartHow the heart is built, how blood flows through it, and how to draw and label it for your Class 10 exam, with Class 11 notes.