by Rahul Anand | Jul 26, 2023 | CBSE CLASS 10 CHEMISTRY
Curd and sour substances should not be kept in brass and copper vessels because these metals can react with acidic foods, leading to potential health hazards. The main concern is the leaching of toxic metals into the food or liquid being stored, which can contaminate...
by Rahul Anand | Jul 26, 2023 | CHEMISTRY
Olfactory indicators, also known as smell indicators or odour indicators, are substances that change their smell or odour in response to changes in the chemical properties of their environment. They are used in analytical chemistry to detect or determine the presence...
by Rahul Anand | Jul 26, 2023 | CBSE CLASS 10 CHEMISTRY
Chemical reactions and equations are the fundamental building blocks of chemistry, allowing us to understand and explore the world around us on a molecular level. From the explosive reactions of fireworks to the life-sustaining processes in our bodies, chemical...
by Rahul Anand | Jul 21, 2023 | PROBABILITY
The multiplication rule in probability is used to find the probability of the intersection of two or more independent events. In other words, it helps us calculate the probability of both event A and event B happening or the probability of multiple events occurring...
by Rahul Anand | Jul 21, 2023 | PROBABILITY
The addition rule in probability deals with finding the probability of the union of two or more events. In simpler terms, it helps us calculate the probability of either event A happening, event B happening, or both occurring.For two events A and B, the addition rule...
