Physics MCQ’s
Download Download Now Q.1 The error in measurement of radius of a sphere is 0.1% then error in its volume is –…
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Biology MCQ’s
Download Download Now WhatsApp Group Join Now Telegram Group Join Now Instagram Group Join Now Q.1 If Mendel might have studied 7…
Chemistry MCQ
WhatsApp Group Join Now Telegram Group Join Now Instagram Group Join Now Download Download Now Q.1 Correct order of –I effect is…
Chemistry Questions
Define the term ‘order of reaction’ for chemical reactions. The sum of powers of the concentrations of the reactants in the rate…
Electro Magnetic Induction
Ch. 6 Electro Magnetic Induction 1. In Lenz’s law which quantity is conserved ( a) Mass ( b) Momentum ( c) force…
Physics MCQ’s
Q.1 Boron has two isotopes 5B10 and 5B11. If atomic weight of Boron is 10.81 then ratio of 5B10 to 5B11 in…
Some Basic Concepts of Chemistry
Chemistry Chapter – 1 – Some Basic Concepts of Chemistry Class – XI Question 1.1: Calculate the molecular mass of the following:…
धातुओं के शुद्विकरण
धातुओं के शुद्विकरण क्षेत्र में उपसहसंयोजन यौगिक का अनुप्रयोग एक उदाहरण के साथ समझाइये निकिल के शोधन की माण्ड विधि में निक्रिल…
Atomic MCQ’s
1. The ratio of the e/m values of a proton and an α-particle is (a) 2 : 1 (b) 1 : 1…
Chemistry MCQ for Exam
1 Mole fraction of glycerine C3H5(OH)3 in solution containing 36 g of water and 46 g of glycerine is …