Bleaching powder is not used for bleaching________________?
(A) Cotton
(B) Costly fabrics
(C) Linen
(D) Paper pulb
The chemical formula of sodium hypochlorite is________________?
(A) NaCLO
(B) NaClO2
(C) NaClO3
(D) NaClO4
In which compound of Xenon the oxidation state of Xenon is + 6?
(A) XeF4
(B) XeOF4
(C) XeOF2
(D) Na4XeO6
Which of the following statements is incorrect about halogens ?
(A) All are non-metals
(B) All the halogens have electronic conviguration ns2p5
(C) They have high electron attinity and ionization energy
(D) All the halogens react with noble gases to form their halides
Which of the halogen has highest electronegativity ?
(A) Fluorine
(B) Chlorine
(C) Bromine
(D) Iodine
Which of the following oxides of iodine is used for quantitative analysis of CO ?
(A) I2O4
(B) I4O2
(C) I2O5
(D) All are equally useful
Bleaching powder is an example of________________?
(A) Normal salt
(B) Double salt
(C) Mixed salt
(D) Complex