The odour of acetic acid resembles that of? Mark as favorite Copy Link Vinegar Kerosene Burning Plastic Rose Check Answer
What happens when a solution of an acid is mixed with a solution of a base in a test tube (i) Temperature of the solution decreases (ii) Temperature of the solution increases (in) Temperature of the solution remains the same (iv) Salt formation takes place? Mark as favorite Copy Link (ii) and (iv) (ii) only (i) and (iii) (i) and (iv) Check Answer
Which of the following phenomena occurs when acid is mixed with water (a) Neutralization (b) Dilution (c) Ionization? Mark as favorite Copy Link Only (c) is correct Only (b) is correct (a) & (b) are correct (b) & (c) are correct Check Answer
When copper oxide and dilute hydrochloric acid react, colour changes to? Mark as favorite Copy Link black blue-black bluish-green white Check Answer
During the preparation of HCl gas on a humid day, the gas is usually passed through the guard tube containing CaCl?. The purpose of using CaCl? is? Mark as favorite Copy Link To absorb moisture from HCl gas To Use it as a catalyst To absorb HCl gas To add moisture to the gas (HCl) Check Answer
When hydrogen chloride gas is prepared on a humid day, the gas is usually passed through the guard tube containing calcium chloride. The role of calcium chloride taken in the guard tube is to? Mark as favorite Copy Link absorb moisture from the gas moisten the gas absorb Cl– ions from the evolved gas absorb the evolved gas Check Answer
Sodium hydroxide is a? Mark as favorite Copy Link strong acid weak acid strong base weak base Check Answer
Which one of the following types of medicines is used for treating indigestion? Mark as favorite Copy Link Antiseptic Antacid Analgesic Antibiotics Check Answer