Current Electricity and Magnetism — Science STD 8 — Question

During dry weather, while combing hair, sometimes we experience hair flying apart. The force responsible for this is:

Which of the following force is utilized in reducing air pollution by removing dust, soot and fly-ash particles from the smoke coming out of chimneys of factories?

Which of the following endocrine gland does not occur as a pair in the human body?

When a plastic comb is rubbed with dry hair, the hair get positively charged by friction. In this porcess:

A basic oxide will be formed by the element:

In human males, the testes lie in the scrotal sacs outside the body because it helps in the:

An element burns in air to form an oxide. The aqueous solution of this oxide turns turmeric paper red. State whether the element is a metal or non-metal. Name one such element.

Which of the following does not conduct electricity?

Which of the following is a modern lifestyle habit that can lead to frequent sickness?

Which of the following air pollutant is capable of preventing photosynthesis in plants?