Answers 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 carbon (IV) oxide B. nitrogen and noble gases C. nitrogen and oxygen D. nitrogen, carbon (VI) oxide and noble gases E. the noble gases Correct Answer: Option B Explanation
Answers The vertical section of the soil from the surface down to the bedrock, showing different… The vertical section of the soil from the surface down to the bedrock, showing different layers, is known… Read More
Answers The arithmetic mean of the ages of 30 pupils in a class is 15.3 years…. The arithmetic mean of the ages of 30 pupils in a class is 15.3 years. One boy leaves… Read More
Answers An important function of the retailer is to? An important function of the retailer is to? A. grant credit to the wholesaler B. break bulk and… Read More
Answers A car of mass 800kg attains a speed of 25m/s in 20 secs. The power… A car of mass 800kg attains a speed of 25m/s in 20 secs. The power developed in the… Read More
Answers A man with blood group a is married to a woman with blood group A…. A man with blood group a is married to a woman with blood group A. Which of the… Read More