STD 8 S.S CH 12 SVADHYAY

Oxidation number of S in (CH_(3))_(2)S is

If S = {2, 4, 6, 8, 10, 12} and A = {4, 8, 12}, find A'.

If 2 fair dice are thrown, then probability of getting a total score s where 8 le s le 12 , is

Assertion :The S-S-S bond in S_(8) molecule is 105^(@) . Reason : S_(8) has V-shape.

Four companies submitted the quotations for building a bridge, with the following values of breaking stress (B_(s)) and working stress (W_(s)) expressed in N//m^(2) (A) B_(s) = 25 xx 10^(8), W_(s) = 15 xx 10^(8) (B) B_(s) = 20 xx 10^(8), W_(s) = 15 xx 10^(8) (C ) B_(s) = 25 xx 10^(8), W_(s) = 12.5 xx 10^(8) (D) B_(s) = 25 xx 10^(8), W_(s) = 20 xx 10^(8) To whome the contract should be given, if all of them have quoted the same amount ?

S_(8) ring of both rhombic sulphur and monoclinic sulphur has crown shaped structure . The S- S -S bond angle in S_(8) ring is

Using the formula S=2(lb+bh+lh) , find S when l=12cm, b=8cm,and h=4 cm.