Every textbook question, solved the way the board expects.
Popular board questions
See all →- A and B each have certain number of oranges. A says to B, “ if you give me 10 of your oranges, Suppose A has x no. of oranges and B has y no. of oranges. According to the given conditions, we have x+10=2(y−10)⇒x−2y+30=0 (i) and, y+10=x... 1
- std 10th maharashtra board science part 1 gravitation notes Download pdf for offline study 1. study the entries in the following table and rewrite them putting the corrected items in a single row :gra... 2
- Niobium forms bcc structure the density of niobium is 8.55 g/cm3 and length of unit cell edge the correct answer is 1.62 × 10²^(1 ) EXplaination ^() 2
- The density of iridium is 22.4 g/cm3 . The unit cell of iridium is fcc. Calculate the radius of iridium atom. Molar mass of iridium is 192.2 g/mol. The correct answer is 136 pm Explanation:: 1
- 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
Recently answered
See all →- Fly ash is a pollutant mainly produced by Answer: D. coal-based thermal power plants Burning coal leaves fine ash particles (fly ash) that pollute air, water and soil. 1
- Solar cells are commonly made from Answer: B. silicon Solar cells are mostly made from the semiconductor silicon. 1
- Which of the following is NOT a source of green energy? Answer: B. Coal-based thermal power Burning coal releases CO₂ , sulphur oxides and fly ash, which harm the environment. 1
- The main constituent of biogas is Answer: C. methane Biogas contains mostly methane, along with some carbon dioxide. 1
- The main constituent of natural gas used in gas-based power plants is Answer: A. methane Natural gas is mainly methane. 1
- The correct order of energy conversion in a coal-based thermal power plant is Answer: B. chemical → heat → kinetic → electrical Chemical energy of coal becomes heat (steam), the steam turns the turbine (kinetic), and t... 1
Latest notes
See all →- व्युत्पत्ती कोश स्थूलवाचन Notes Summary Questions SSC Class 10 Marathi Complete exam-focused study notes for Maharashtra State Board Class 10 Marathi Aksharbharati Chapter 20: व्युत्पत्ती कोश (स्थूलवाचन).
- स्वप्न करू साकार कविता Notes, Summary, Questions | Class 10 SSC Get complete Maharashtra State Board Class 10 Marathi Aksharbharati Chapter 19 स्वप्न करू साकार notes, summary, vocabulary, and exam questio...
- Beej Perle Gele Chapter Notes Summary Questions SSC Class 10 Marathi Complete study notes, summary, vocabulary, mind map and important questions for Maharashtra SSC Class 10 Marathi Chapter 17 Beej Perle Gele.
- Hirvanghar Zhadasarkha Notes Summary Questions Class 10 SSC [हिरवंगार झाडासारखं] Get complete study notes, summary, vocabulary, mind map, and important board-style questions for Marathi Aksharbharati Class 10 chapter Hirv...
- जगणं कॅक्टसचं स्थूलवाचन Notes, Summary & Questions | Class 10 SSC Comprehensive study notes for Maharashtra State Board Class 10 Marathi Aksharbharati Chapter 15 Jagan Caktasace Sthulvachan. Includes summar...
- रंग मजेचे रंग उद्याचे कविता Notes, Summary, Questions | Class 10 SSC Marathi Comprehensive study notes for Maharashtra Board Class 10 Marathi Aksharbharati Chapter 14 रंग मजेचे रंग उद्याचे. Includes summary, questions...