This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.
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You're on a roll — Here are the solutions to the problems: 12. The pie chart below represents the percentage of composition of air. Which sector labelled A, B, C, D represents a gas used in making fire extinguishers? Step 1: Identify the components of air represented by the sectors. • Sector A is the largest, representing Nitrogen (approximately 78%). • Sector B is the second largest, representing Oxygen (approximately 21%). • Sector C is a small sector, representing Argon and other inert gases. • Sector D is the smallest sector, representing Carbon Dioxide and other trace gases. Step 2: Recall which gas is used in fire extinguishers. Carbon dioxide is commonly used to extinguish fires. Step 3: Match