The elements, whats is the s-block

whats is the s-block

Determine total number electrons in nitrate ion, Nitrogen atom has an atomi...

Nitrogen atom has an atomic number of 7 and oxygen has an atomic number 8. The total number of electrons in a nitrate ion will be: (1) 8        (2) 16      (3) 32

Chemical methods - purification of organic compounds, Chemical methods - Pu...

Chemical methods - Purification of organic compounds Besides these physical methods, few chemical methods have as well been utilized to separate a mixture of organic compounds.

Atomic structure, what is the mass of a proton and electron

what is the mass of a proton and electron

Liquification of gases, tell me about liquification of gases in detail but ...

tell me about liquification of gases in detail but in most easy words

General tests on benzoic acid, General Tests on Benzoic Acid (a) It dis...

General Tests on Benzoic Acid (a) It dissolves in hot water but separates out in the form of white shining flakes on cooling. (b) Benzoic Acid evolves CO 2 with sodium bica

Conductometry, what is conductometry and how it work

what is conductometry and how it work

Uses of BHC,

Explain thermodynamically an exothermic reaction, Comment on the validity o...

Comment on the validity of the following statements, giving reasons: (a) Thermodynamically an exothermic reaction is sometimes not spontaneous. (b) The entropy of steam is mo

Sodium and chlorine reacts, When sodium and chlorine reacts then: (1) E...

When sodium and chlorine reacts then: (1) Energy is released and ionic bond is formed (2) Energy is released and a covalent bond is formed (3) Energy is absorbed and ioni