05 लुइस डाॅट संकेत एवं संयोजकता | Zero level Basic Chemistry |For 11th, 12th/ NEET Chemistry 2022-23

In a class, 18 students took Physics, 23 students took Chemistry and 24 students took Mathematics of these 13 took both Chemistry and Mathematics, 12 took both Physics and Chemistry and 11 took both Physics and Mathematics. If 6 students offered all the three subjects, find: (i) The total number of students.

In a class, 18 students took Physics, 23 students took Chemistry and 24 students took Mathematics of these 13 took both Chemistry and Mathematics, 12 took both Physics and Chemistry and 11 took both Physics and Mathematics. If 6 students offered all the three subjects, find: (ii) How many took Maths but not Chemistry.

In a class, 18 students took Physics, 23 students took Chemistry and 24 students took Mathematics of these 13 took both Chemistry and Mathematics, 12 took both Physics and Chemistry and 11 took both Physics and Mathematics. If 6 students offered all the three subjects, find: (iii) How many took exactly one of the three subjects.

Organic Chemistry पढ़ने का Best Trick | 12th Chemistry | Organic Chemistry | Important Topic in Board

Read the given information and decide the appropriate course of action. NEET examination has laid the following conditions to qualify for appearance in the NEET Exam. 1. Candidate should pass Grade 12 with a minimum of 50% marks in Biology, Physics and Chemistry group. 2. Candidate should have completed 17 years as on 31-03-2018. 3. Candidate should have opted for Biology, Physics and Chemistry in Grade 12. Candidate 1: Ram’s date of birth is 14-05-2001, with 40% marks in Mathematics, Physics, Chemistry and Biology. Candidate 2: Sham’s date of birth is 16-08-2000, with 60% marks in Biology, Physics and Chemistry. Who is eligible to write the NEET Exam?

An examination was held during the 2 weeks of April 3rd-Sunday to 16th Saturday. There was 1 paper for the six subjects - Physics, Chemistry, Biology, Maths, English and Hindi. Only 1 paper per day No exam on Saturdays and Sundays and Holiday on April 5th. Only 3 exams were there in a week. Chemistry was before Biology and Maths was on the next day of Hindi. The day on which the paper of biology and maths were held was the same, while that for chemistry and physics was also the same. There was no exam for 3 days between Physics and the exam prior to it. Hindi exam on Tuesday and one exam between Hindi and English exam. There was at least a gap of one day between any 2 science paper. Which of the following exam was held on April 12th ?

12th Organic Chemistry | Top 50 Most Important Questions in Boards 2024 | 12th Board Exam 2024

A hypothetical atom has energy levels uniformly separated by 1.2 eV. At a temperature of 2000 K, what is the ratio of the number of atoms in the 13th excited state to the number in the 11th excited state?