Explanation

Explanation

Conductivity is a physical property that describes how well a material allows heat or electricity to pass through.

Reactivity and toxicity are chemical properties, as they involve changes in the substance's composition.

Explanation

تشبیہ میں دو چیزوں کا موازنہ "جیسا/کی طرح" کے الفاظ سے کیا جاتا ہے۔

جملہ "پانی برف کی طرح ٹھنڈا ہے" میں پانی اور برف کا موازنہ "کی طرح" کے ذریعے کیا گیا ہے، جو کہ تشبیہ کی خاصیت ہے۔

Explanation

تھی فعل ناقص کی مثال ہے، جو کسی جملے میں زمانہ یا حالت ظاہر کرنے کے لیے آتا ہے۔

یہ "ہے، تھا، تھے، تھیں" کی طرح صرف زمانہ یا حالت بتاتا ہے، مکمل معنی نہیں دیتا۔

Explanation

To find the time Aslam takes to solve 1 question, we divide the total time by the number of questions:

Time per question = Total time / Number of questions

= 8.5 minutes / 5 questions

= 1.7 minutes

Explanation

A dilute solution contains a relatively small amount of solute compared to the solvent.

This means the solute is less concentrated in the solution.

Explanation

Software piracy is the illegal copying, distribution, or use of software without proper licensing.

It especially refers to unauthorized commercial resale or use of software for profit.

Explanation

Expansion slots like AGP (Accelerated Graphics Port), PCI (Peripheral Component Interconnect), and ISA (Industry Standard Architecture) are used to add extra hardware (graphics cards, sound cards, etc.) to a computer.

These slots enhance the computer’s capabilities by allowing external components to be connected directly to the motherboard.

Explanation

Data acquisition refers to the process of collecting data, not a primary objective of a database.

The main objectives of a database include Data Independence, Data Integration, and Data Integrity, which focus on organizing, managing, and ensuring the accuracy of data.

Explanation

Empty set is, in fact, a subset of every set, including itself, because the definition of a subset allows the empty set to be considered a subset of any set.

The intersection of the empty set with any set is always the empty set, making statements about it true.