The component of air that removed when air is bubbled into alkaline pyrogallol solution is Posted on:
Which of the following indicates the correct increasing order of oxidizing power of the halogens? Posted on:
What volume of distilled water should be added to 400cm3 of 2.0 mole dm-3 H2SO4 to obtain 0.20 mole dm-3 of solution Posted on:
Some precious stones such as ruby and sapphire consist of aluminum oxide coloured by traces of the oxides of Posted on:
Which of the following pieces of deposited if a current of 10A was passed through a solution of copper(ll) salt for 965 seconds? Posted on:
