Non-polar molecules are held together by
Non-polar molecules are held together by A. co-ordinate bond B. covalent bond C. electromagnetic force D. hydrogen bond…
Browsing Category
Answers
44896 posts
Two elements X and Y with electronic configurations 2,8,2 and 2,8,7 respectively, are likely to…
Two elements X and Y with electronic configurations 2,8,2 and 2,8,7 respectively, are likely to combine by _________bonding…
What mass of copper in gram would be deposited by a current of 1.00ampere passing…
What mass of copper in gram would be deposited by a current of 1.00ampere passing for 965 seconds…
How many zones are present in a luminous Bunsen burner flame?
How many zones are present in a luminous Bunsen burner flame? A. 2 B. 3 C. 4 D.…
The furring of kettles and boilers are caused by
The furring of kettles and boilers are caused by A. calcium hydroxide B. calcium hydrogen trioxocarbonate (IV) C.…
When air is passed through alkaline pyrogallol and then lime water, the gases left are
When air is passed through alkaline pyrogallol and then lime water, the gases left are A. nitrogen and…
A salt which loses its mass when exposed to air is
A salt which loses its mass when exposed to air is A. deliquescent B. effervescent C. Efflorescent D.…
Atomic size decreases
Atomic size decreases A. across a period from left to right B. across a period from right to…
Sulphur has an oxidation number of +4 in
Sulphur has an oxidation number of +4 in A. H2S B. H2S04 C. MgSO4 D. Na2SO3 E. S03…
What is the molar mass of the compound above?
What is the molar mass of the compound above? A. 45 B. 61 C. 122 D. 123 E.…