In which of the three media : air, water or iron, does the sound travel the fastest at a particular temperature?
The propagation of sound need variation in density and volume of the mediium. Solid (Iron) is the most elastic out of three. therefore, sound travels fastest through iron with a speed of 5950 ms–1.
Which separation techniques will you apply for the separation of the following?
Ammonium chloride from a mixture containing sodium chloride and ammonium chloride.
Which separation techniques will you apply for the separation of the following?
Small pieces of metal in the engine oil of a car.
Which separation techniques will you apply for the separation of the following?
Different pigments from an extract of flower petals.
Which separation techniques will you apply for the separation of the following?
Butter from curd.
Write the steps you would use for making tea. Use the words—solution, solvent, solute, dissolve, soluble, insoluble, filtrate and residue.
Mock Test Series
