Chemistry

Answer: The correct answer is (B) Petroleum. Petroleum is also called black gold because it is a very… Read More

Answer: To resolve this, you need to understand the metameters. Metamers are substances that share the same chemical… Read More

Air is a ______ Answer: Option A. Air is a homogeneous mixture. Air is a homogeneous mixture. This… Read More

Correct Answer: c. Oxalic acid Tomatoes are a common part of our meals and used in everything from… Read More

Answer: No, calcium hydroxide is not a weak alkali. Although it is only slightly soluble in water, the… Read More

Answer: The correct answer is (C) n/N. Because in a very dilute solution, the number of moles of… Read More

Answer: The correct sequence of increasing covalent character is NaCl < LiCl < BeCl₂. According to Fajan’s Rules,… Read More

The correct answer is: A. Oxidation is a reaction that removes an electron from a substance; reduction is… Read More

(i) Sulphur – 8(ii) Phosphorus – 4  Sulphur naturally exists as an S₈ molecule.  This gives it an… Read More