Question

You attended a party when you were away on a vacation. On your return, your friends are eager to know how you spent your holidays. Tell them about someone you met at the party who appeared strange to you, bringing out his unusual characteristics and his odd personal appearance.

Answer 1

Answer:

Stoichiometry is a section of chemistry that involves using relationships between reactants and/or products in a chemical reaction to determine desired quantitative data. In Greek, stoikhein means element and metron means measure, so stoichiometry literally translated means the measure of elements.

Explanation:

Answer 2

Answer:

1. (a) The atmosphere acts as a blanket and Keeps the average ter ofte ens day and night and even during the course of the year
3. (b) Oxygen present in the atmosphere is essential for respiration and combustion whereas con dioxide is essential for photosynthesis.

1. (c) Rain and rainfall patterns are decided by the atmosphere

1. (d) Ozone layer present in the atmosphere absorbs ultraviolet rays and thus protects an organismsfrom their harmful effects.