Explanation

• King: Saud bin Abdulaziz
• Year: 1954
• Location: Pakistan (Islamabad)
• Duration: Six-day state visit
• Date: October 10th

Explanation

The 4×100 meter relay was first introduced at the 1912 Stockholm (Sweden) Olympics for men.

It became a standard Olympic track event from that year onward.

Explanation

The internal diameter of the discus throw circle is 2.5 meters (8.2 feet). 

This size ensures uniformity in competitions and proper technique for discus throwers.

Explanation

Slow stretching and holding method gradually lengthens muscles and improves flexibility without causing injury.

Holding the stretch for 15-30 seconds allows muscles to adapt and relax, increasing range of motion effectively.

Explanation

Nitrogen gas slows burning, rusting, and decay by preventing oxidation.

Plants use nitrogen in fertilizers for growth.

Animals use nitrogen to form proteins, which are essential for life.

Nitrogen gas itself is not directly used in baking; instead, carbon dioxide or other gases are used for leavening.

Explanation

حدیثِ نبوی ﷺ کے مطابق جماعت کی نماز کو اکیلے نماز پر ستائیس (27) درجے زیادہ فضیلت حاصل ہے۔

یہ فضیلت امت کو اجتماع، اتحاد اور نظم و ضبط کی ترغیب دیتی ہے۔

Explanation

Physical changes (like melting, freezing, boiling) do not alter the substance's chemical composition.

They are usually easily reversible, unlike chemical changes.

Explanation

Table tennis balls are usually white or yellow for better visibility against different table and background colors.

These colors are approved by the International Table Tennis Federation (ITTF) for official play.

Explanation

'Kitab Ash Shifa' written by Abu Ali ibn Sīna

He began to compose the book in 1014

Completed it around 1020,

And published it in 1027.

This book is also known as The Book of Healing.

Explanation

Uranium is a non-renewable energy source used in nuclear power plants for generating electricity through nuclear fission.

It is finite and cannot be replenished on a human timescale, unlike renewable energy sources such as solar or biomass.