List of practice Questions

The art of electroplating was given by
Phosphorus on reaction with cone $ HN{{O}_{3}} $ yields
Lamarck published his views on concepts of evolution in 1809 in his book:
In some substances, charge can flow at ordinary temperature, but not at very low temperatures. These substances are called
To yield milk, cow is given
Presence of vestigial organs is in favour of which of the following theories?
An eye specialist prescribes spectacles having combination of convex lens of focal length 40 cm in contact with a concave lens of focal length 25 cm. The power of this lens combination in diopters is
In a resonance column experiment the first resonance is obtained at 16 cm and the second at 50 cm. The value of end correction is:
Which of the following instrument is used to measure temperature of the source from its thermal radiations?
Which of the following is an alloy of aluminium?
Which of the following is not an aromatic compound?
Which of the following is not emitted by radioactive substance?
Which of the following is the largest and edible bud?
Which of the following prevents the photo-oxidation and destruction of pigments ?
The mass moment of inertia, of a body depends upon
The hydride ion $H^-$ is stronger base than its hydroxide ion $OH^-$. Which of the following reactions will occur if sodium hydride (NaH) is dissolved in water?
The genetic material of bacteria is present as:
The formula dichlorobis (urea) copper (II) is
The food in onion is stored in the form of:
The focal length of converging lens is measured for violet, green and red colours. It is respectively $f_v , f_g, f_r $ We will get
The dimensional formula of Planck's constant is
The core metal of chlorophyll is
Preparation of sperm before penetration of ovum is
The concentration of reactants is increased by x. then equilibrium constant K becomes
Which of the following 0.10 m aqueous solution will have the lowest freezing point ?