Talcum powder - chemical in cosmetics, Talcum powder: Talcum powder is...

Talcum powder: Talcum powder is utilized to decrease impatience of the skin. Talcum powders such as face powders comprise talc (Mg 3 (OH) 2 Si 4 O 10 ) Chalk, zinc stearate an

Titration Lab, How do i figure out number of protons available for reaction...

How do i figure out number of protons available for reaction with OH- in a oxalic acid+NaOH reaction?

The nature of bonding in graphite, The nature of bonding in graphite is: ...

The nature of bonding in graphite is: (1) Covalent                                       (2) Ionic     (3) Metallic (4) Coordinate Ans: Covalent

Ionic bond,

Radius of the first bohr''s orbit of hydrogen atom, Radius of the first Boh...

Radius of the first Bohr's orbit of hydrogen atom is: (1)1.06 Å                           (2) 0.222 Å (3) 0.28 Å                           (4)0.53A Ans: 0.53 Å

Atomic structure and chemical bonding, Ask question #MinimName two compound...

Ask question #MinimName two compound that are covalent when taken pure but produce ions when dissolved in water. um00 words accepted#

Entropy and free energy, Entropy (S) is a molecular 'disorder', or more pre...

Entropy (S) is a molecular 'disorder', or more precisely 'the number of microscopic arrangements of energy possible in a macroscopic sample'. Entropy depends strongly on the state

Thermodynamics, Ask question #Minimu1. A laboratory animal exercised on a t...

Ask question #Minimu1. A laboratory animal exercised on a treadmill that was connected to a weight with a mass of 250. g through a pulley. The work done by the animal raised the we

Series limit for balmer series of h-spectra, The series limit for Balmer se...

The series limit for Balmer series of H-spectra is: (1) 3800          (2) 4200         (3) 3646                (4) 4000 Ans:  3646

Qualitative analysis, how to detect nickel radical in presence of Ferro cya...

how to detect nickel radical in presence of Ferro cyanide radical.