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Properties of Water and Ice
In cold countries, which substance is mixed with ice to prevent slipping on the road?
Salt is commonly mixed with ice on roads in cold countries because it lowers the freezing point of water, causing ice to melt and preventing slipping. Sugar and nitrogen do not have this effect, and "None of these" is incorrect.
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Prophets
Which Prophet was a carpenter?
Hazrat Issa AS (Jesus) is known in Islamic tradition as having been a carpenter by profession before his prophethood. The other prophets listed are not traditionally associated with carpentry.
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Human Physiology
What is the typical lifespan of white blood cells?
The lifespan of white blood cells varies widely depending on the type; some live only a few hours to days, while others can live for months or years. None of the given options accurately reflect this range, so 'None of these' is the correct choice.
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Angels in Islam
Which angel is given the responsibility to bring rain?
In Islamic tradition, Hazrat Mekail (Mikail) AS is the angel responsible for bringing rain and providing sustenance to creatures. Hazrat Jibraeel AS is known for delivering revelation, and Hazrat Israfeel AS is associated with blowing the trumpet on the Day of Judgment.
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Solar System
The bodyguard of the Earth is?
Jupiter is often called the 'bodyguard of the Earth' because its strong gravity helps protect the inner planets by attracting or deflecting comets and asteroids that might otherwise impact Earth.
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Biography
Allama Iqbal was born in which city?
Allama Iqbal was born in Sialkot, which is a well-documented fact in Pakistani history. Therefore, option B is correct.