Rate downstream = 12 + 6 = 18 km/hr Rate upstream = 12 – 6 = 6 km/hr ∴ Required time = 28/18 + 28/6 = 56/9 = `6(2)/9` hr.
What components make up the mixture known as Producer gas?
What is the process called that forms a protective oxide layer on aluminum?
Which of the following is polyatomic?
Which metal is commonly used as an antiperspirant in deodorants?
Which element is used in pencil leads?
Which of the following fatty acids does NOT form soap?
Whose experiments supports Abiotic synthesis?
Which of the following is NOT a property of acids?
Which enzyme is responsible for converting triglycerides into fatty acids and glycerol?
Which chemical compound is commonly used in baking to provide more volume and a lighter texture to baked goods?
