Atmospheric pressure, An open test tube at 293 K is filled at the bottom wi...

An open test tube at 293 K is filled at the bottom with 24.2 cm of Hg, and 11.2 cm of water is placed above the Hg.  Calculate the pressure at the bottom of the test tube if the at

Determine element that mass number of anion is given, The mass number of an...

The mass number of an anion,   X 3- is 14. If there are ten electrons in the anion, the number of neutrons in the nucleus of atom, X 2   of the element will be: (1) 10

Observation of soyabean milk, observation table with solution

observation table with solution

Illustrate matter, Matter is anything that has mass and takes up space. The...

Matter is anything that has mass and takes up space. The term matter refers to all the materials, or "stuff," making up the universe. Everything you see around you is matter. The c

Periodic Table, Basics of Periodic Table.

Basics of Periodic Table.

Beer lambartslambart''s law, Plz tell me the units of absorptivity if it ha...

Plz tell me the units of absorptivity if it has any units

Internal conditioning methods of water,

Free radical polymerisation, #ques(a) Given the values below, calculate the...

#ques(a) Given the values below, calculate the concentration of benzoyl peroxide required to prepare polystyrene with a number average molar mass of 400,000 by bulk free radical po

The following has zero valency, The following has zero valency : (1) Sod...

The following has zero valency : (1) Sodium (2) Beryllium (3) Aluminium (4) Krypton Ans: Krypton

Expression of concentration of a solution, How much NaCl is needed to prepa...

How much NaCl is needed to prepare a 0.5 solution of 5 Ltires?