Day 227: JEE Mains Chemistry
5 questions. Try each one first, then open its answer.
Question 1
Solutions. Asked once: 30 Jan 2024 (same type asked 5 times) See all 5 of this type
137The solution from the following with highest depression in freezing point/lowest freezing point isTap an option to check your answer.
Question 2
The p-Block Elements. Asked once: 29 Jan 2023 (same type asked 5 times) See all 5 of this type
39During the borax bead test with , a blue green colour of the bead was observed in oxidising flame due to the formation ofTap an option to check your answer.
Question 3
Solutions. Asked once: 24 Jan 2023 (same type asked 5 times) See all 5 of this type
146The total pressure observed by mixing two liquids A and B is when their mole fractions are 0.7 and 0.3 respectively. The total pressure become if the mole fractions are changed to 0.2 and 0.8 respectively for and . The vapour pressure of pure ____is mm Hg. (Nearest integer) Consider the liquids and solutions behave ideally.Question 4
Biomolecules. Asked once: 29 Jan 2023 (same type asked 5 times) See all 5 of this type
41Number of cyclic tripeptides formed with 2 amino acids and is:Tap an option to check your answer.
Question 5
Chemical Kinetics. Asked once: 29 Jan 2024 (same type asked 5 times) See all 5 of this type
147The half-life of radioisotopic bromine - 82 is 36 hours. The fraction which remains after one day is _____ . (Given antilog )