Navigation Menu
Home Blog Latest Notices
About Us Contact Us Disclaimer Privacy Policy Admin Login

Mdcat-past-papers - UHS Quiz

Filters: Board: UHS |
1381. If rate constant k = 0.693 min⁻¹, what is the half-life for the 1st order reaction?



1382. Half-life of N₂O₅ at 0°C is 24 min. How long will it take for a sample to decay to 25% of its original concentration?



1383. According to collision theory of bimolecular reaction in gas phase, the minimum amount of energy required for an effective collision is known as:



1384. If the energy of activation of a chemical reaction is very low, the rate of that chemical reaction is observed to be very high because:



1385. What is the measure of activation energy in an endothermic reaction?



1386. Which of the following is correct Arrhenius Equation?



1387. The catalysis in which the catalyst and the reactants are in the same phase is known as:



1388. Which remains same along a period?



1389. More the ionization energy of an element?



1390. Along a period, atomic radius decreases. This gradual decrease in radius is due to:



1391. Arrange the following elements according to the trend of ionization energy (C, N, Ne, B).



1392. Which one of the following will have the smallest radius?



1393. Keeping in view the size of atoms, which order is correct?



1394. The ionic radius of fluoride ion is:



1395. Ionization energy decreases down the group from top to bottom due to:



1396. Modern periodic table is arranged in ascending order of:



1397. In the second period of elements, although oxygen lies next to nitrogen yet its first ionization energy is lower than that of nitrogen because:



1398. Which of the following elements has the smallest size?



1399. Which of the following has the highest atomic radius in its period?



1400. In metals, why does electric conductivity decrease with the increase of temperature?



Advertisement - Try Now
MDCAT Past Papers Free Online Quizzes
Advertisement Rs. 1,799 Buy Now
Watch Touch Screen With Bluetooth

Country Wise Scholarships

🇵🇰 Pakistan's Scholarships 🇺🇸 USA's Scholarships 🇬🇧 UK's Scholarships 🇨🇦 Canada's Scholarships 🇨🇳 China's Scholarships 🇸🇦 Saudi Arabia's Scholarships 🇦🇪 UAE's Scholarships 🇲🇾 Malaysia's Scholarships 🇪🇺 Europe's Scholarships 🇰🇷 South Korea's Scholarships
Advertisement Rs. 5,994 Buy Now
Zero® ICON Smartwatch

Online Free Quiz

MDCAT Past Papers MDCAT Practice Test AFNS Intelligence Test ISSB Intelligence Test
View All Quizzes →

Follow Us

Aggregate Calculator

Calculate your MDCAT aggregate for MBBS admissions

Calculate Now →