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.
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نمونہ ٹھوس، مائع، گیس یا معیار کے تجزیہ میں _______ ہو سکتا ہے۔
Answer: Substance
Explanation In qualitative analysis, a sample can be a solid, liquid, gas, or a mixture. A mixture is a physical combination of two or more substances, where each substance retains its chemical properties.
اوزون ایک گیس ہے جو ____ تہہ میں پائی جاتی ہے؟
Answer: Stratosphere
Explanation Ozone (O3) is a gas found in the stratosphere. A stratosphere layer of the atmosphere that extends from about 12 to 50 kilometers (7.5 to 31 miles) above the Earth's surface. The ozone layer, also known as the ozonosphere.
ناپی گئی قدر اور قبول شدہ حقیقی قدر کے درمیان معاہدہ؟ ______
Answer: Accuracy
Explanation Accuracy refers to how close a measured value is to the true or accepted value. It indicates the degree of agreement between the measured value and the true value.
Answer: Ethyl
Explanation CH3-CH2- is the ethyl radical. The ethyl radical is a functional group derived from ethane (C2H6) by removing a hydrogen atom. It leaving a highly reactive species with an unpaired electron.
نائٹروجن کے بعد حجم کے لحاظ سے خشک ہوا کا دوسرا سب سے زیادہ پرچر جز ہے؟
Answer: Oxygen
Explanation The composition of dry air is: Nitrogen (N2) - approximately 78.08% by volume Oxygen (O2) - approximately 20.95% (21%) by volume Argon (Ar) - approximately 0.93% by volume Carbon Dioxide (CO2) - approximately 0.04% by volume (varies with location and time)
تجزیاتی کیمسٹری ______ کی شناخت اور اس کی مقدار درست کرنے کے آلات اور طریقوں سے متعلق ہے۔
Answer: Separate
Explanation The Analytical Chemistry deals with instruments and methods to separate , identify, and quantify the matter.
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