Answer is:<span> Z:X = 7:1 and </span><span>Y:X = 11:1.
</span>Law of multiple proportions or Dalton's Law said that <span>the ratios of the masses of the second element which combine with a fixed mass of the first element will be ratios of small whole numbers.
In this example ratios are whole numbers, </span><span>A:Z = 2.5 : 1 and A:Z = 2.2 : 1 are not whole number ratios.</span><span>
</span><span>
</span>
Answer: D. They turn red litmus paper blue and taste bitter.
Explanation:
Acids are those substances which either donates hydrogen ions when dissolved in water. They have pH ranging from 1 to 6.9. They are sour in taste. They dissolve metals to give hydrogen gas. They turn blue litmus red.
Bases are those substances which either donates hydroxide ions when dissolved in water or donates a pair of electrons. They have pH ranging from 7.1 to 14. They are bitter in taste. They are slippery in nature. They turn red litmus blue.
Answer:
Students A, B, and E
Explanation:
Student A is playing in the lab, student B is sniffing the flask, you're supposed to waft, and student E is eating while working.
