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What are the basic physical and chemical properties of this group
in which state carbon exist
When Ethanoic acid is mixed with methanol what is the end product?
How to determine the hybridization of a complex compound in a easy way? Generally d-block elements have tendency to form coordination compounds. from at. no. 21 .i.e scandi
What are the major poisnous gases released during burning of the plastic substances? Ans) It is high time that we start taking concrete steps in order to prevent pollution or else
Q. Why we use Boron? Boron is used to increase the hardness of steels. Crystalline boron is used in transistors. Boron is a good neutron absorber and is used as shields and con
The main reaction during electrovalent bond formation is: (1) Redox reaction (2) Substitution reaction (3) Addition reaction (4) Elimination reaction Ans: Redox re
Gold has a molar mass of 197g/mol. How many atoms are in the sample?Please give me procedure also. Ans) molecular wieght of gold is 197 g 1mole/g of molecule is occupies the
Which of the following is isoelectronic with carbon atom: (1) Na + (2) Al +3 (3) O 2- (4)N + Ans: N +
Write the neutral calcium atom has a number The neutral calcium atom has a number of valence electrons euivalent to its group number, that is 2.
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