The composition of ‘ Golden spangles is_________?

A. Pbcro4
B. Pbi2
C. As2cr2o7
D. Bacro4

When SO2 solution is passed over which of the following it turns green?

A. K2cr2o7
B. H2so4
C. So3
D. P2o5

A brivalent metal has the equivalent weighr of 12. The molecular weight to its oxide will be_______?

A. 24
B. 32
C. 36
D. 40

The weight of a metal of equivalent of 12 which will give 0.475g of its chloride is_______?

A. 0.12g
B. 0.16g
C. 0.18g
D. 0.24g

The amount of Zinc (at. Wt=65) necessary to produce 224 ml of H2 by the reaction with an acid will be______?

A. 0.065gm
B. 0.65gm
C. 6.5gm
D. 7.5gm

Which of the following compounds is not soluble in HNO3___?

A. Cus
B. Cds
C. Pbs
D. Agcl

How many calories are there in 1 gram of carbohydrate?

A. 2
B. 2
C. 4
D. 10.25

Water is 50 times more viscous than ____________ ?

A. Oil
B. Alcohol
C. Gases
D. Solid

Following are the anions of soap which form Ca and Mg ions which we see as curd in water

A. Sodium hexadecanoate
B. Sodium octadecanoate
C. Sodium pentadecanoate
D. Both a & b

The hybridization of nitrogen atom in pyridine is_______?

A. Sp
B. Sp2
C. Sp3
D. It is not hybridized