CBSE Class 12-science Questions and Answers

Adequate preparation for Class 12 Science subjects also gives you an edge if you want to pursue engineering or medicine-related courses in reputed colleges in India. The reason is, your Class 12 Science syllabus topics are part of the syllabus of competitive exams like JEE or NEET. You can find all the necessary resources for your Class 12 exam preparation along with JEE and NEET prep e-learning materials on TopperLearning.

Now, you can quickly revise Class 12 topics with our complete textbook solutions for NCERT CBSE Class 12 Science. Our Class 12 textbook solutions cover subjects such as Physics, Biology, Chemistry, Mathematics and Hindi. For extra practise, our textbook solutions also consist of free RD Sharma solutions for Class 12 Mathematics. Study thoroughly by using our model answers that are created by subject experts, as per your latest Class 12 Science syllabus and exam guidelines.

Browse through our CBSE Class 12 Science resources and add these resources to your study plan as required. Practise questions from CBSE Class 12 Science Mathematics a little more or revise the most important questions in Physics multiple times. And if you come across difficulties, ask your questions through our ‘Undoubt’ section to get the necessary answers. This way, preparing for your exam with some of the best Class 12 study materials right here on TopperLearning can support you in achieving the desired score in your board exam.

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CBSE XII Science - Biology

assertion and reasoning questions from chapter 1

Asked by simranjeetkaurrandhawa701 | 4th May, 2021, 02:31: PM

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CBSE XII Science - Chemistry

Molal elevation constant for benzene is 2.5K/m. A solution of some organic substance in benzene boils at 0.126°C higher than benzene. What is the molality of solution?  

Asked by goyalpavitarta | 3rd May, 2021, 01:27: PM

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CBSE XII Science - Chemistry

Boiling point of water at 750mm of hg is 99.63°C. how much sucrose is to be added to 500g of water such that it boils at 100°C.​​​​​​​

Asked by goyalpavitarta | 3rd May, 2021, 01:25: PM

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CBSE XII Science - Chemistry

2.00g of non-electolyte solute dissolved in 100g of benzene, lowered the freezing point of benzene by 0.30K. find the molar mass of solute.

Asked by goyalpavitarta | 3rd May, 2021, 01:20: PM

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CBSE XII Science - Chemistry

Why the vapour pressure of a liquid decreases when a non volatile solute is added into it?  

Asked by goyalpavitarta | 3rd May, 2021, 11:56: AM

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CBSE XII Science - Chemistry

Why solubility of gas in liquid decreases on increasing temperature?

Asked by anjanimanthan982 | 30th Apr, 2021, 09:57: AM

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CBSE XII Science - Physics

Pick the true statements about electric field lines It provides information about the direction of the electric field Electric field lines provide information about the type of charge Electric field lines provide information about the field strength All of the above

Asked by adastutorials | 29th Apr, 2021, 03:39: PM

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CBSE XII Science - Physics

An electric field E is applied between the plates a and b as shown in the figure a charge particle of mass m and charge q is projected along the direction as shown fig it's velocity v find vertical distance y covered by the partical when goes out of the electric field region

Asked by arorarajaryan2003 | 28th Apr, 2021, 10:11: PM

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CBSE XII Science - Physics

A wire of resistance of 20Ω is cut into two equal pieces, how will its resistance and resistivity change?

Asked by randeepsj | 28th Apr, 2021, 11:08: AM

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CBSE XII Science - Physics

when some charge given to a material spreads on the entire surface, it is a conductor. how? explain

Asked by goyalpavitarta | 27th Apr, 2021, 01:19: PM

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