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What is Boyle's temperature

Posted by Aviansh Kumar 7 years, 10 months ago

CBSE > Class 11 > Chemistry

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What is the meaning of mot

Posted by Deepu Singh 7 years, 10 months ago

CBSE > Class 11 > Chemistry

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Shubham Bhoria 7 years, 10 months ago

Molecular orbital theory

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The wave no. of light is 450cm calculate wavelength in nanometers and frequency of light

Posted by Devanshu Rajoria 7 years, 10 months ago

CBSE > Class 11 > Chemistry

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What are the properties of radio-active elements ?

Posted by Anurag Saha 7 years, 10 months ago

CBSE > Class 11 > Chemistry

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What is green chemistry

Posted by Deepak Negi 7 years, 10 months ago

CBSE > Class 11 > Chemistry

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Parth Sarthi Gupta 7 years, 10 months ago

Green chemistry is the study of various alternates to curb the problems of the environment by using various alternatives of the things that cause pollution

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Explain the construction and working of standard hydrogen electrode

Posted by Bir Singh 7 years, 10 months ago

CBSE > Class 11 > Chemistry

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Wt is atomic number of chloride

Posted by Jithin Jose 7 years, 10 months ago

CBSE > Class 11 > Chemistry

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Anushka Garg 7 years, 10 months ago

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Which two elements among the following belong to the same period Al, Si, Ba and O? 2. Why liquids diffuse slowly as compared to gases? 3. A gas is filled into a bulb connected to an open limb manometer. The level of mercury in the open arm is 2.1 cm lower than that in the other arm of manometer. The atmospheric pressure is 720 mm. What is the pressure of the gas? 4. Heat capacity is an extensive property but specific heat is intensive property. Comment on the statement. 5. Boron forms no compounds in unipositive state but thallium in unipositive state is quite stable. Explain. Section B 6. Cyanogen is known as a pseudohalogen because it has some properties similar to halogens. It is composed of two CN's joined together. Do the two CN's join through the carbon or the nitrogen (i. e., C – N –N – C or N – C – C – N)? 7. is heavier than and gases present in the air but it does not form the lower layer of the atmosphere. Explain. 8. Calculate (i) mass of 2.5 g atoms of magnesium, (ii) gram atom in 1.4 g of nitrogen (Atomic mass Mg = 24, N = 14)

Posted by Somveer Singh 7 years, 10 months ago

CBSE > Class 11 > Chemistry

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What is buffer system

Posted by Vishal Jha 7 years, 10 months ago

CBSE > Class 11 > Chemistry

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Parth Sarthi Gupta 7 years, 10 months ago

Buffers are compounds a group of compounds that resist the change in pH of a solution when a small amount of acid or base is added buffers are used in redox titration that we learn in class 12th

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Yuvraj Patel 7 years, 10 months ago

Buffer system is titration in the acid and base and coupling provide a resistance to change the PH value.

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Kavya Verma 7 years, 10 months ago

buffer solution is naoh ka hole tuse

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Define second law of thermodynamics

Posted by Diptesh Biswas 7 years, 10 months ago

CBSE > Class 11 > Chemistry

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Prince Yorker 7 years, 10 months ago

Second law of thermodynamics can be defined as 1.Heat can't flow itself from cold body to hot body without the international external work. Or Whenever a spontaneous process takes place, it is always accompanied by an increase in total entropy of the universe. Δs. =Δs. + Δs Univ. Sys. Surr

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What is buffer solution

Posted by Arpit Talan 7 years, 10 months ago

CBSE > Class 11 > Chemistry