List of practice Questions

Little leaf disease of mango and brinjal is caused due to the deficiency of
The metal that cannot displace hydrogen from dilute hydrochloric acid is
Length of a rod increases 0.2% on increasing the temperature by 100°C. The value of coefficient of linear expansion of material of rod is
pH value of 0.0001 M HCl solution is
In a 10 cm long horizontal wire, 5 Amp current is flowing. The mass of the wire is \(3 \times 10^{-3}\) kg/m. What will be the field to keep wire stable?
A particle of charge ‘q’, mass ‘m’ and velocity ‘v’, enters perpendicular to a magnetic field ‘B’, force on particle will be
When \(10^{14}\) electrons are removed from a neutral metal sphere, the charge on the sphere becomes
IUPAC name of
H\(_3\)C - C = CH - CH\(_2\) - CH\(_3\) Cl
Phenol with dilute HNO\(_3\) gives
The correct order of Radii is
The value of one Faraday charge is
Which physical quantity is constant for a satellite in orbit?
Which of the following atoms would be paramagnetic?
Which gas is used in Electric Bulb?
Potassium chloride contains K-(Approximate)
In the following figure, the equivalent resistance between ‘A’ and ‘B’ will be
equivalent resistance between ‘A’ and ‘B’
“Pusha RH-10” is a hybrid variety of
The value of \(\cos 15^\circ - \sin 15^\circ\) is equal to
The value of \(\frac{a}{(a-b)(a-c)} + \frac{b}{(b-c)(b-a)} + \frac{c}{(c-a)(c-b)}\) is
\(\sin(-\theta)\) is equal to
If \(\cos \theta = \frac{1}{2}\), then the value of \(\tan 20^\circ\) is
If points \((1, 2), (x, -1), (4, 5)\) are collinear, then the value of \(x\) is
Number of parallel tangents of a circle is
Three solid spheres, whose radii are 3 cm, 4 cm and 5 cm melted into a single sphere, its radius is
Find the average of first fifty natural numbers