Physics short answer

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Questions and Answers

Which subatomic particle has a positive charge?

Isotope
Electron
Neutron
Proton (correct)

What is the SI unit for amount of substance?

Kelvin
Gram
Mole (correct)
Liter

What is the study of the composition, structure, properties, and change of matter?

Biology
Physics
Geology
Chemistry (correct)

चरणिकी क्या है और इसका क्या महत्व है?

चरणिकी, भौतिक रसायन विज्ञान की एक महत्वपूर्ण शाखा है जो विभिन्न पदार्थों के आपसी रिश्तों का अध्ययन करती है। यह रिएक्शन, अपघात और आवर्ती रिएक्शन की प्रक्रियाओं के बारे में संदर्भ और समझ के लिए महत्वपूर्ण है। Signup and view all the answers

अमोनिया का रासायनिक सूत्र क्या है?

अमोनिया का रासायनिक सूत्र NH3 है। Signup and view all the answers

एक्साइड क्या है और इसका क्या प्रभाव होता है?

एक्साइड एक अधिक तत्व है जो विभिन्न पदार्थों के साथ मिलकर उन्हें अधिक तापमान पर जलाने की क्षमता बढ़ाता है। Signup and view all the answers

Study Notes

Subatomic Particles

Protons have a positive charge.

Units of Measurement

The SI unit for amount of substance is the mole (mol).

Branches of Science

Chemistry is the study of the composition, structure, properties, and change of matter.

Indian Language Concepts

चरणिकी (Charniki) refers to the process of catalysis, which is important in chemical reactions because it speeds up the reaction without being consumed by the reaction.
Oxides (एक्साइड) are compounds that contain oxygen, and they have a significant impact on the environment, as they can contribute to air pollution and climate change.

Chemical Compounds

The chemical formula for ammonia is NH₃.

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Description

Test your knowledge of chemistry with this multiple-choice quiz. Explore topics such as the study of matter, subatomic particles, and SI units for amount of substance. See how well you understand the composition, structure, properties, and changes of matter.