List of practice Questions

Define ampere.
Write any three uses of a concave mirror.
Which one of the following is a covalent compound?
An aqueous solution of ammonium chloride is:
Which of the following is a good conductor of electricity?
The radius of curvature of a concave mirror of focal length 20 cm is:
A white ray is incident obliquely on a glass slab. Which of the following will occur with the first refraction?
In domestic electric circuit, the colour of neutral wire is:
In which device does the split ring act as a commutator?
The above reaction is an example of a: \[ \text{Zn} + \text{CuSO}_4 \rightarrow \text{ZnSO}_4 + \text{Cu} \]
On moving from right to left across the period of the modern periodic table, the atomic size:
When magnesium ribbon is ignited, the flame produced by it is:
The molecular formula of ethane is \( C_2H_6 \). It has:
The chemical substance used as a cast for setting broken bones in surgery is:
The change in body that occurs during adolescence is due to:
The body is balanced by the organ:
Binary fission is found in:
Which hormone is secreted from the pancreas?
Which among the following is responsible for clotting of blood?
Which type of nitrogenous wastes is excreted by living organisms?
The maximum value of magnification in a convex mirror is:
Potential difference is measured by:
Which of the following statements is true?
Which of the following substances is a conductor?
Which of the following is necessary to obtain nuclear energy?