Chemistry

Pick out the stronger reducing agent among the following oxyacids of phosphorus

Pick out the stronger reducing agent among the following oxyacids of phosphorus Options (a) hypophosphorous acid (b) phosphorous acid (c)…

Which one of the following statements about halogens is correct

Which one of the following statements about halogens is correct Options (a) F₂ has lower bond dissociation energy than Cl₂…

Chlorine dioxide is best prepared by passing dry

Chlorine dioxide is best prepared by passing dry Options (a) chlorine gas over hot HgO (b) chlorine and oxygen gas…

When chlorine water is exposed to sunlight, the colour change that occurs is

When chlorine water is exposed to sunlight, the colour change that occurs is Options (a) colourless to brown (b) brown…

In Ramsay and Rayleigh’s isolation on noble gases from air,the nitrogen of the

In Ramsay and Rayleigh's isolation on noble gases from air, the nitrogen of the air is finally converted into Options…

Use of chlorofluoro carbons is not encouraged because

Use of chlorofluoro carbons is not encouraged because Options (a) they are harmful to the eyes of people that use…

Aqueous solutions of hydrogen sulphide and sulphur dioxide when mixed together

Aqueous solutions of hydrogen sulphide and sulphur dioxide when mixed together, yield Options (a) sulphur trioxide and water (b) hydrogen…

The most efficient agent for the absorption of SO₃ is

The most efficient agent for the absorption of SO₃ is Options (a) 90% of H₂SO₄ (b) 80% of H₂SO₄ (c)…

The percentage of nitrogen in urea is

The percentage of nitrogen in urea is Options (a) 46 (b) 59 (c) 25 (d) 54 Correct Answer: 46Explanation:The percentage…

P₂O₅ is an anhydride of

P₂O₅ is an anhydride of Options (a) H₃PO₄ (b) H₂P₂O₇ (c) H₃PO₃ (d) HPO₃ Correct Answer: HPO₃Explanation:No explanation available. Be…