List of practice Questions

Propane, with the molecular formula \( C_3H_8 \), has:
Ozone layer protects earth from which harmful radiation?
Which non-metal is found in liquid state at room temperature?
The general formula of alkyne is:
The far point for normal vision is:
What will be the nature of the image of an object, if the magnification of the image is negative?
How many laws are there for the reflection of light?
A ray of light is incident perpendicular to a plane mirror. The angle of reflection will be:
Which colour of light scatters more in the atmosphere?
Converging lens in air is:
What is the colour of silver iodide?
The hardest natural substance is:
How many crystalline allotropes of carbon are there?
Zinc blende is an ore of which metal?
How many bonds are there between two atoms in a nitrogen molecule?
Which of the following has the fastest heartbeat?
Which of the following is cellular fuel?
How many phosphates are there in ATP?
Which of the following is not an excretory organ of humans?
The smallest endocrine gland is:
All acids dissolve in water to give:
Which of the following compounds is a weak acid?
The frequency of alternating current in household electric circuit is:
Which of the following has the lowest refractive index?
A simple prism is bounded by how many surfaces?