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How many spyro moleculesr are there
Ans) n numbers
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instrumentation and applications of radiometric titration
Which electronic configuration is not observing the ( n+ 1) rule: (1) 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 , 3d 1 , 4s 2 (2) 1s 2, sp 2 , sp 6 , 3s 2 , 3p 6 , 3
A mylar novelty balloon is filled with 4.5 L of He at1 atm pressure and 23 degree Celcius temperature. It is then dipped into liquid nitrogen (77K) until the gas and balloon are a
two oxides of a metal contain 27.6% and 30% oxygen. if the formula for the first oxide is m3o4 then what is the formula for the next oxide?
A Galvanic cell or voltaic cell or electrochemical cell is a system in which a spontaneous chemical oxidation- reduction happens and makes electrical energy.
Give example of Allotropy The element carbon has two common allotropes: diamond, where the carbon atoms are bonded together in a tetrahedral lattice arrangement, and graphite
Physical properties of Nitro alkanes or Nitroparaffins (1) Nitro alkanes are colourless, pleasant smelling liquids. (2) These are sparingly soluble in water but enthusiastic
An element has the electronic configuration 1s 2 , 2s 2, 2p 6 , 3s 2 , 3p 2 . Its valency electrons are: (1) 6 (2) 2 (3) 3 (4)4 Ans: 4
Properties of Picric Acid Picric Acid is a yellow crystalline solid, melting point 122°C. Picric Acid is insoluble in cold water but soluble in hot water and in ether. It is ac
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