List of practice Questions

On hydrolysis of starch, we finally get
A thermos flask contains hot coffee. The flask is vigorously shaken. Then the temperature of the coffee will
The transition elements have a general electronic configuration.
A ring shaped metal is allowed to expand by heating it. The hole will
Which would quickly absorb oxygen?
Oleum is
Phosphine may be produced by adding lo water some
The relative lowering of the vapour pressure is equal to the ratio between the number of
In a closed flask of 5 L, 1.0 g of $H_2$ is heated from 300 to 600 K. Which statement is not correct?
In compound ' X - all the bond angles are exactly 109$^{\circ}$28', 'X - is
Which one is true?
Which overlap is involved in HCl molecule ?
A hole is drilled along the earth's diameter and a stone is dropped into it. When the stone is at the centre of earth, it has
Resolution power is the ability to
Where is protein digestion accomplished?
To use a transistor as an amplifier
The oxidation state of the most electronegative element in the products of the reaction. $ BaO_2 $ with dil, $ H_2SO_4 $ are
If $ a, b $ and $ c$ are distinct positive numbers, then the expression $(b + c - a ) (c+ a - 6) (a + b - c) - abc$ is
The reaction which proceed in the forward direction is
A microammeter has a resistance of $100 \Omega$ and full scale range of $50 \mu A$. It can be used as a voltmeter or as a higher range ammeter provided a resistance is added to it. Pick the correct range and resistance combination (s)
The product of n positive numbers is unity, then their sum is
Two trains move towards each other with the same speed. The speed of sound is 340 m/s. If the height of the tone of the whistle of one of them heard on the other changes to 9/8 times, then the speed of each train should be
Natural rubber is a polymer of
SI unit of magnetic field is
Ribosomes were discovered by