Answer: An integer that can be expressed as the square of another integer is called a perfect square. In other words, it is defined as the... View Article
Answer: (4) hydrogen fluoride, oxygen and ozone Fluorine reacts with water to produce oxygen and ozone. 2F2(g) + 2H2O(l) ⟶ 4HF(aq) + O2(g)... View Article
Answer: (1) Shifts towards right As the resistance of the resistor increases as it heats up, the balancing point shifts to the right. A... View Article
Answer: (3) I Given A2 = A Consider the given equation (I + A)3- 7A Using (a + b)3 = a3 + b3 + 3a2b + 3ab2 (I + A)3 = I3 + A3 + 3I2A + 3IA2... View Article
Answer: In Maths, the fraction is defined as the ratio of two numbers. It should be of the form a/b. The top number is called the numerator and... View Article
Answer: (1) All angiosperms and some gymnosperm Vessels are present only in angiosperms. They help in conducting water and minerals in the... View Article
Answer: (4) Corbonyl Nickel is purified by thermal decomposition of its carbonyl. Nickel is a rigid, silvery-white metal that is easily... View Article
Answer: A prime number is a positive integer having exactly two factors. If p is a prime, then its only factors are necessarily 1 and p itself.... View Article
Answer: Temperature is measured in two units, Fahrenheit, and Celsius. People in the USA use the Fahrenheit degree while Indians use the Celsius... View Article
Answer: (2) zero A matrix can be skew-symmetric only if it is square. If the transpose of a matrix is equal to the negative of itself, the... View Article
Answer: (4) Glycerol droplets formed in the intestine after digestion of fats Chylomicrons are glycerol droplets generated in the intestine... View Article
Answer: In geometry, points and lines are the fundamental concepts that we need to learn before. A point is a dimensionless shape, since it... View Article
Answer: (3) -0.75, 1.25 A Formal charge is also known as a fake charge. The formal charge over an atom of a polyatomic molecule or ion is the... View Article
Answer: (c) 4 Nitrogen is restricted to a maximum covalency of 4 since only one s and three p orbitals are available for bonding. Nitrogen shows... View Article
Answer: (2) the combination of forces acting on it balance each other For a body to be stationary, the net external force acting on it must... View Article
Answer: Q factor or quality factor is a dimensionless parameter that is used to describe the underdamped resonator and characterizes the... View Article
Answer: (3) Polymorphism in sequence DNA fingerprinting is a technique that shows the genetic makeup of living things. It is a method of... View Article
Answer: (4) HCHO Bakelite is a polymer made up of the monomers phenol and formaldehyde. This phenol-formaldehyde resin is a thermosetting... View Article
Answer: (4) both (2) and (3) are correct If there is no charge at a point, the electric field at that point is continuous. And if there is... View Article
