11th
In this category students supposed to ask questions which belong to std 11th maharashtra board Science
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See all →- E. A student used a carbon pencil to write his homework. The mass of this was found to be 5 mg. With the help of this calculate. Given : mass of carbon = 5mg = 5× 10⁻³ g Atomic mass of carbon=12u Solution :: a. The number of moles of carbon in his homework writing numb... 1
- M.In two moles of acetaldehyde (CH3 CHO) calculate the following a. Number of moles of carbon b. Number of moles of hydrogen a) Number of moles of carbon 1 molecule of CH3CHO contains 2 C-atoms. Therefore, 2 mol of CH3CHO contains 2×2 = 4 moles of Carbon. b) Number... 1
- Use your imagination and extend the story in about 100 to 130 words. Jo had a nice time with Laurie and his grandpa having tea and snacks which she enjoyed thoroughly. Both of them were very interesting charac... 1
- F. What will happen if the upper outlet of the condenser is connected to the tap instead of the lower outlet? It is necessary to cool the condenser with cool water for proper functioning of condenser. If tap is connected to the upper outlet then jack... 1
- P. Perform each of the following calculations. Round off your answers to two digits Refer below image for detailed solution 1
- Q. Perform each of the following calculations. Round off your answers to three digits. Solution:: 5.02×10¹⁰ , 1