Question
Burning a wax candle is an example of which
process?Solution
Combustion is a chemical reaction in which a substance reacts with oxygen and releases heat and light. Burning a wax candle exemplifies combustion, where the heat from the wick vaporizes the wax, which then reacts with oxygen to produce carbon dioxide and water.
How can you freeze both rows and columns in an Excel spreadsheet?
The simple interest on a sum of money for 3 years is 1,200 at a rate of 10% per annum. What is the compound interest on the same sum for the same time a...
Three numbers are in HP. Their sum is 37 and the sum of their reciprocals is 1/4. The numbers are:
Simplify the following expression -:
120 + 480 ÷ 16 × 6 + {(240 ÷ 2.5) × 5 + 120} ÷ 5
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{√676.12 + 13.012 – 146.89 } = ?
The following table shows the marks obtained by five students in three subjects:
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Let a=i+j​+k, b=2i+j​−k, and c=a×b. The angle between c and a is:
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