Practise Alloy MCQs in Everyday Science. Attempt multiple-choice questions, check answers and revise related subtopics.
Study Alloy through multiple-choice questions in Everyday Science. This subtopic contains 61 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.
Use these Alloy MCQs to identify the facts, rules or methods you need to revise. Where an explanation is available, work through it and write down why your chosen option was correct or incorrect. Revisit difficult questions after reviewing your notes, then use exam mode for timed practice.
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مندرجہ ذیل میں سے کون سا الائے ہے؟
Answer: Steel
Explanation Steel is an alloy of iron (Fe) and carbon (C) , with small amounts of other elements like manganese, chromium, and vanadium. It's a mixture of two or more elements , where at least one is a metal, making it an alloy.
کون سی دھات بجلی کا بہترین موصل ہے؟
Answer: Silver
Explanation Copper, silver, aluminum, gold, steel , and brass are common conductors of electricity. The most highly conductive metals are silver, copper, and gold Silver is the first-best conductor of heat. Copper is the second-best conductor of heat. ****** ND30-12-2022
Answer: Vinegar
Explanation Acetic acid (CH3COOH), also called ethanoic acid, the most important of the carboxylic acids.
Answer: Thinner
Explanation
اسٹین لیس اسٹیل میں کون سے دھات کا تناسب سب سے زیادہ ہوتا ہے؟
Answer: Iron
Explanation Iron is the metal with the highest percentage in stainless steel Iron (Fe): T he foundational element, providing the main structure , usually 60-75%. Chromium (Cr): Essential for rust resistance, forming a protective passive layer, typically 10.5% to 30%. Nickel (Ni): Added to enhance ductility, strength, and corrosion resistance, especially in austenitic grades (like 304 stainless steel, which has 8% nickel). Carbon (C): A small amount (under 1.2%) is present , influencing hardness and other properties.
مندرجہ ذیل میں سے کون سا غیر جانبدار ذرہ ہے؟
Answer: Neutron
Explanation The neutron is a neutral particle, which is stable only in the confines of the nucleus of the atom.
____آکسائیڈ سے سیمیٹل یا میٹالائیڈز
Answer: amphoteric
Explanation Metalloids are known to have electronic band structures that are similar to semimetals or semiconductors. Metalloids are known to form a mphoteric or weakly acidic oxides. These elements have the ability to form metallic alloys. ND18-9-2023
الیکٹرک ہیٹنگ ڈیوائسز (الیکٹرک ہیٹر) کے لئے حرارتی عناصر بنانے میں استعمال ہونے والا ایک مصر ______ ہے؟
Answer: Nichrome
Explanation Nichrome , an alloy of nickel and chromium . It is used because of its high resistance and ability to withstand high temperatures without oxidizing.
مندرجہ ذیل میں سے کون سا مصنوعی فائبر ہے؟
Answer: nylon
Explanation nylon is a synthetic fiber *** Rayon, Polyester, Nylon, Acrylic, and Plastic are the different types of synthetic fibers.
مندرجہ ذیل میں سے کون سا عنصر جانوروں کے لیے ضروری ہے لیکن پودوں میں نہیں؟
Answer: Iodine
Explanation Iodine and sodium are essential for animals and are not required by most of the plants however, iodine is found in certain marine algae.
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