Practise Chemistry Class 10th MCQs MCQs in General Science. Attempt multiple-choice questions, check answers and revise related subtopics.
Study Chemistry Class 10th MCQs through multiple-choice questions in General Science. This subtopic contains 76 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.
Use these Chemistry Class 10th MCQs 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.
Continue your revision with related topics: Biology Class 10th MCQs MCQs, Biology Class 9th MCQs MCQs, Chemistry Class 9th MCQs MCQs, General Science Class 10 MCQs MCQs, General Science Class 4 MCQs MCQs, General Science Class 5 MCQs MCQs, General Science Class 6 MCQs MCQs, General Science Class 7 MCQs MCQs.
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پریزرویٹیو ______ کو محفوظ رکھنے کے لیے استعمال کیا جاتا ہے؟
Answer: Food
Explanation Preservatives are used to prevent the growth of microorganisms, such as bacteria, yeast, and mold, in food. They help to extend the shelf life of food products and prevent spoilage. Preservatives can be found in meats , dairy products, baked goods, and beverages.
زمین پر پانی کا کتنا فیصد میٹھا پانی ہے؟
Answer: 2.5%
Explanation Only about 2.5% (3%) of the water on Earth is freshwater , which is vital for human consumption, agriculture, and ecosystem health. The remaining 97.5% (97%) is saltwater , found in oceans, seas, and salt lakes.
مندرجہ ذیل میں سے کون سی شراب ہے؟
Answer: CH3-OH
Explanation CH3-OH is the molecular formula for methanol, which is an alcohol. Key Points: CH3-CHO is the molecular formula for acetaldehyde , which is an aldehyde. CH3-CH2-O-CH3 is the molecular formula for diethyl ether , which is an ether. HCOOH is the molecular formula for formic acid , which is a carboxylic acid.
پیپٹائڈ کے بارے میں کیا سچ ہے؟
Answer: It is a polyamide
Explanation A peptide is a molecule composed of two or more amino acids linked together through amide bonds. It is a polyamide, meaning it is a polymer of amino acids. Peptides are smaller than proteins, which are long chains of amino acids.
زمین کی سطح کا کتنا فیصد (%) پانی سے ڈھکا ہوا ہے؟
Answer: 70% (71%)
Explanation Earth water coverage: 71% Land area: 29% Ocean water: 97% of total water Fresh water: 3% of total water Largest ocean: Pacific Ocean Last verified on 10-04-2026
ایک ردعمل جو کبھی مکمل نہیں ہوتا ہے اسے ریورسبل ردعمل کہا جاتا ہے۔ الٹ جانے والا ردعمل ______ سے ظاہر ہوتا ہے؟
Answer: Double arrow
Explanation A reversible reaction is a reaction that can proceed in both the forward and reverse directions, and never goes to completion. It is represented by a double arrow (⇌) between the reactants and products. For example: A + B ⇌ C + D Key Point: Single arrow (→) : Represents an irreversible reaction, where the reaction only proceeds in one direction.
سپیکٹروسکوپی ______ کے ساتھ روشنی کا تعامل ہے؟
Answer: Matter
Explanation Spectroscopy is the study of the interaction between light (electromagnetic radiation) and matter. This interaction can occur with atoms , molecules, or ions in any state (solid, liquid, gas, or plasma).
صابن کے مالیکیول کے کاربو آکسیلیٹ سرے کو جو پانی کی طرف راغب کرتا ہے ____ کہلاتا ہے؟
Answer: Hydrophilic end
Explanation The carboxylate end of a soap molecule (-COO-) is hydrophilic (water-loving) , meaning it is attracted to water. This end of the molecule is negatively charged and is able to form hydrogen bonds with water molecules , which are polar and also have a slightly positive charge.
لییکٹوز ______ ہے؟
Answer: Milk sugar
Explanation Lactose , also known as milk sugar. It is a disaccharide composed of galactose and glucose molecules. It is found in milk and other dairy products.
ماحولیاتی دباؤ ______ کے ساتھ کم ہوتا ہے؟
Answer: Increase in altitude
Explanation Atmospheric pressure decreases as altitude increases. As you go higher , the air pressure decreases because there are fewer air molecules above you , exerting less pressure. This is why aircraft pilots must adjust their altimeters to account for changes in air pressure as they ascend or descend.
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