Lec 06 Azeotropic Mixture स्थिर क्वाथी मिश्रण , 12th Chemistry

12th Chemistry महत्वपूर्ण प्रश्नों का महा-संग्राम | 12th Chemistry Most Important Objective Question

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

The ratio (by volume) of milk and water in a mixture is 2:1. If we add 12 litres of water in the mixture, then the ratio of milk and water becomes 4:3. What is the quantity of water in the new mixture? एक मिश्रण में दूध और पानी का अनुपात (मात्रा में ) 2 : 1 है | यदि हम मिश्रण में 12 लीटर पानी मिला दें, तो दूध और पानी का अनुपात 4 : 3 हो जाता है | नए मिश्रण में पानी की मात्रा कितनी है?

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 ?

The price of a variety of a commodity is ₹ 7/kg and that of another is ₹ 12/kg. Find the ratio in which two varieties should be mixed so that the price of the mixture is ₹ 10/kg. एक वस्तु की एक किस्म की कीमत ₹ 7 / किग्रा और दूसरे की ₹12 /किग्रा है। उस अनुपात का पता लगाएँ जिसमें दो किस्मों को मिलाया जाना चाहिए ताकि मिश्रण की कीमत 10 / किग्रा हो |

A grocer mixed sugar at ₹ 12 per kg with sugar at ₹ 9 per kg in a certain ratio and sold the mixture at ₹ 11 per kg to have a gain of 8th of his total investment. The ratio of two types of sugar in the mixture is

Find the number of bricks,each measuring 25cm,12.5cm and 7.5cm required to construct a wall 6m long,5m high and 50cm thick, while the cement and sand mixture occupies (1)/(20)th of the volume of the wall.