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Qualitative analysis
A salt contains two parts defined as radicals. The positively charged part of a salt (cation) that has been derived from a base is known as basic radical and the negatively charged part of salt (anion) that has been derived from an acid is known as acidic radical. In qualitative inorganic analysis, the provided compound is analysed for the basic and acid radicals (that is the cations and the anions), that it contains. For instance zinc blende is analysed for the Zn2+ and S2-ions which it contains.
define term hardness,explain units of hardness
How much NaCl is needed to prepare a 0.5 solution of 5 Ltires?
Synthetic element compounds
Why a covalent bond is directional? Covalent bond is formed as a result of pairing of two electrons in atomic orbitals of two atoms. Bond then must lie along the direction of
You may have eaten "astronaut ice cream" as a kid at a science museum or planetarium to experience the type of food eaten by astronauts. Astronaut ice cream is made by chilling the
Azimuthal quantum number defines: (1) e/m ratio of electron (2) Spin of electron (3) Angular momentum of electron (4) Magnetic momentum of electron Ans: Angular mo
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Carbohydrates The carbohydrates are naturally taking place organic molecules. They exist in both of the animals and plants. "Carbohydrates are ddescribed as a class of comp
Name the chemical components which constitute nucleotides. Write any two functions of nucleotides in a cell.
Q. Use the following information to draw a temperature-composition phase diagram for the binary system of H 2 O (A) and Na 2 SO 4 (B) at p = 1 bar, confining t to the range 20 to
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