important notes on. mole concept for neet
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Answer:
Mole concept and Stoichiometry is an important topic from NEET Exam Point of view. Some questions can be asked directly. Most importantly, the whole Chemistry includes this topic. Thus, it is very important to have a clear cut on this topic. This short notes on Mole concept and Stoichiometry will help you in revising the topic before the NEET Exam.
Properties of Matter and their Measurements
Anything that possesses mass and occupies space is called matter.
Classification of Matter
Classification of matter on the basis of their physical and chemical properties.
Physical classification: Matter is physically classified into solid, liquid and gaseous state. The order of intermolecular force of attraction among their physical state is: Solid> liquid> gas
Chemical classification: Chemically, the matter is classified into two forms: pure form and mixture. The pure substance can be classified into elements and compound and mixture into homogeneous and heterogeneous.
The International System of Measurement: SI Unit
Properties of matter such as length, mass etc. can be measured quantitatively by using some systems of measurement. Such a system is the SI system established in 1960.
माज्ये काय चुकले आहे ते सांग मी खूप रागत होतो कारण ... मला माफ कर तु सांगशील ते करीन पण सोडून नको जाऊ तु दोन दिवस झाले माझ्या आयुष्यात ऐऊन पण दोन दिवसात ईतक जिव लावलाय ना कि तु त्याचा विचार नाही करु शकत तु गेलीस तर मी काय करून घेईन मला नाही माहित पण सोडून नको जाऊ मि राहु नाही शकत तुझ्या शिवाय मि खुप प्रेम करतो तुझ्यावर खूप कि शब्दात वेय्कत नाही करु शकत आणु काही बोली का तुला
माझं काही चुकलं असेल तर माला मार रागव शिवाय दे पण सोडून नको जाऊ......... तुझा औमी...