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Subject: Science, asked on 22/11/16

Draw the electron dot structure of propanal, propanone and carbon tetrachloride.

Subject: Science, asked on 16/1/17

Which of the following set of elements obeys Newland’s Octave rule?  (1) Na, K, Rb  (2) F, Cl, Br  (3) Be, Mg, Ca  (4) B, Al, Ga ​

Subject: Science, asked on 15/1/17

Neils Bohr is the scientist who prepared modern periodic table. Is it correct ?

Subject: Science, asked on 16/9/14

zn+hcl=zncl2+h2

c+cl2=ccl4

what is its balanicng??

Subject: Science, asked on 3/11/14

What Ionic bond?

Subject: Science, asked on 14/2/14

what is hydration enthalpy?

Subject: Science, asked on 14/2/14

what is polarisation capability

Subject: Science, asked on 14/2/14

what is polarisation capability?

Subject: Science, asked on 15/9/14

give some examples for chemical equation to do formulae

Subject: Science, asked on 16/11/14

question paper for the terminal examination

Subject: Science, asked on 4/12/16

THE RELATIVE ATOMIC MASS OF ALUMINIUM IS 13u. EXPLAIN THE STATEMENT?

Subject: Science, asked on 10/4/14

In chemical reaction, one molecule of nitrogen reacts with three molecules of hydrogen to form two molecules of ammonia.if the law of conservation of mass is correct . What will be the number of atom in the product?a. N1H3b. N2H6c.N1H6d. N2H3

Subject: Science, asked on 25/12/16

How is the atomic mass of element in decimals,although its formula is given by no of protons +no of neutrons?

Subject: Science, asked on 14/9/14

how to draw the electronic dot structure of potttasium oxygen

Subject: Science, asked on 13/9/14

what is ionic bond covalent bond???

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