Everyday Science Medium NTS Uploaded: 01 Sep 2026

The chemical used to test the presence of carbon dioxide gas is:

Correct Answer: Option D — Lime water

Explanation:

Lime water turns milky or cloudy when carbon dioxide is passed through it, forming calcium carbonate, making it a standard test for CO2.

0 views Back to Everyday Science

Submitted by: PaperMCQs

Which of the following diseases is transmitted by the Anopheles mosquito?

Which of the following is the primary function of the respiratory system?

The main gas used in the process of photosynthesis is:

The energy stored in a stretched rubber band is an example of:

Which part of the human ear helps in maintaining balance?

Which of the following elements is essential for thyroid hormone production?

The average adult human has approximately how many liters of blood?

The instrument used to measure wind speed is called:

Which of the following is not a fossil fuel?

Which of the following is the main cause of acid rain?