Explanation

The word “Ability” is the noun form of the adjective “Able”.

Similarly, “Goodness” is the noun form of the adjective “Good”.

Explanation

Gold can be beaten into extremely thin sheets (just a few atoms thick), ideal for alpha particle passage.

This thinness allowed alpha particles to pass through with minimal obstruction, helping observe atomic structure.

Explanation

At 170°C, ethanol undergoes acid-catalyzed dehydration to form ethene (C₂H₄).

Concentrated H₂SO₄ acts as a dehydrating agent, removing water from ethanol.

Explanation

Wearing away refers to the gradual removal of material.

Erosion commonly occurs by natural forces like water, wind, or ice, especially in coastal areas.

Wearing away means دور پہننا

Erosion means کٹاؤ

Explanation

Cling means to hold on tightly.

Cede means to let go or surrender.

Cling means مضبوطی سے تھامنے کے لئے

Cede means جانے یا ہتھیار ڈالنے کے لئے

Explanation

Here ignorance means درگزر

Ignoring minor inappropriate behavior is often an effective strategy to reduce it, as it deprives the behavior of attention, which can discourage repetition.

Praise and reward are better used to reinforce positive behavior.

Strictness may be counterproductive for minor issues.

Explanation

Maltose is made of two glucose molecules, so both structural units are the same.

Lactose = glucose + galactose (different units).

Sucrose = glucose + fructose (different units).

Explanation

Freons (CFCs) and halons are stable in the troposphere but break down under UV light in the stratosphere.

This breakdown releases chlorine and bromine, which destroy ozone molecules in the ozone layer.

Explanation

In NH₄⁺, nitrogen has an oxidation state of –3 (typical for ammonia-like groups).

In NO₃⁻, nitrogen has an oxidation state of +5 due to its bonding with three oxygen atoms.

Explanation

Ayatul Kursi is the 255th verse of the 2nd surah of the Quran, Al-Baqarah.

It is located in the third para named "تِلْكَ ٱلْرُّسُلُ."

It is also known as Sardar ul Ayat or The Throne Verse.

Surah Al-Baqarah is the longest Surah of the Qur'an.

It revealed after the Prophet ﷺ migrated to Madinah.