Subtract the value of the second pair from the value of the first pair, or 18 - 8 = 10. Our determinant equals 10. Once again, determine the sign dictated by the location of the element you eliminated. In this case, the sign is +, so we would use 10. Next, let's find the cofactor of 5.
Answer: The outermost zone of a flame is the hottest zone. Due to this, goldsmith uses the outermost zone of a flame for melting gold and silver. Question: 11. In an experiment 4.5 kg of a fuel was completely burnt.
The candle flame has 4 zones from innermost to outermost: 1)Blue zone: It is near the base of the flame. Here the fresh air rapidly mixes with was vapour formed from the molt â¦ en wax.A part of wax vapour completely burns and gives rise to blue flame.uminous zone or zone of incomplete â¦ combustion   c. Dark zone or zone of no combustion   d. Blue zone. 4 people found this useful. 1  Candle Waxing and How It Can Help You Every year, thousands of people visit the doctor for problems with their ears.