Explanation

 The World AIDS Day 2018 theme was "Know your status".

This theme was used to emphasize the importance of HIV testing and awareness

World AIDS Day is observed on 1 December since 1988.

Explanation

Carl Brockelmann is the author of "History of the Islamic Peoples".

He was a professor at the universities in Breslau, Berlin, and, from 1903, Konigsberg.

He is best known for his multi-volume Geschichte der arabischen Litteratur (first published 1898–1902) ('History of Arabic literature') 

Explanation

 Pakistan was ranked 24th in the 2018 Commonwealth Games. 

6th: Australia, not Pakistan, ranked 6th. 

7th: Wales, not Pakistan, ranked 7th. 

 18th: Pakistan did not rank 18th in 2018, but the country ranked 18th in 2022

Additional information 

Explanation

• Chlorination is the process of adding disinfectants, such as chlorine, to water to kill harmful microorganisms.
• It prevent the spread of waterborne diseases.

Explanation

• Plastic is a synthetic material that is resistant to decomposition and can take hundreds or even thousands of years to break down.
• It is a non-biodegradable material.

The examples of non-biodegradable materials such as:

• Inorganic materials (glass, ceramics, heavy metals)
• Synthetic materials (styrofoam, plastic bags, other plastic things)
• Hazardous materials (detergents, toxic chemicals)
• Industrial waste (empty cans, electricity wires, fused bulbs, broken machine parts)

Explanation

The book about Allama Iqbal has been thoroughly reviewed.

It uses formal tone and proper structure.

The sentence is clear and suitable for academic or professional writing.

Explanation

Muhammad of Ghor was the Sultan of the Ghurid Empire
Along with his brother Ghiyath ad-Din Muhammad, from 1173 to 1202.

Sole ruler from 1202 to 1206.

Born: 1149, Ghor, Afghanistan

Assassinated: March 15, 1206.

Buried: April 10, 1206.

Explanation

The element of an electric stove made nicrome.

Nichrome 80/20 is an ideal material, because it has relatively high resistance and forms an adherent layer of chromium oxide when it is heated for the first time.

Explanation

The first open-heart surgery in India was performed on February 16, 1961

By Dr. K.N. Dastur at BYL Nair Hospital in Mumbai.

He used a heart-lung machine developed with the help of engineers at the National Steel Company.

The surgery was performed on a 19-year-old girl named Hemlata 

Explanation

Armistice ended fighting of: Ottoman Empire and the Allies

Held: October 1918