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decomposition of carbonates
Ask question the density of 2 molal aqueous solution of NaOH is 1.1.gram/litre. Calculate the molality of solution?
0.205g of a metal on treatment with dilute acid gave 106.6ml of hydrogen collected over water at 755mm pressure and 17 degree Celsius. calculate the equivalent mass of the metal. (
Q. What are the Chemical Properties of Halogens? Ans. he halogens have 7 valence electrons in their outermost shell. Note that 7 is one electron short of the octet.
On the basis of electrical conductivity the solids can be broadly classified into three types: (a) Metals (b) Insulators (c) Semiconductors Electrical conductiv
Which of the following is always a whole number : (1) Atomic weight (2) Atomic radii (3) Equivalent weight (4) Atomic number Ans: Atomic number
1st A group because the oxides and hydrides are alkaline in nature.
When 100 ml of M/10 H2SO4 is mixed with 500 ml of My/10 NaOH then nature of resulting solution and normality of excess reactant left is
What are the esters used in paint''s and their names
Which of the following metal ions will have maximum number of unpaired electrons: (1) Fe +2 (2) Co +2 (3) Ni +2
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