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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
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See all →- Observe the diagram given below and answer the questions :[Diagram: front view of the human male reproductive system — urinary bladder at the top, two seminal vesicles and the prostate gland below it, the urethra running down through the penis, and a… Answer: (1) Human male reproductive system. (2) Seminal vesicles and prostate gland. (3) Vas deferens. (4) About 60 micrometres (0.06 mm). (... 1
- Complete the following conceptual picture with respect to uses :[Concept map: ‘Xanthan gum’ in the centre with six empty boxes joined to it.] Answer: Uses of xanthan gum (six boxes) — (1) production of pigments, (2) fertilizers, (3) weedicides, (4) textile pigments, (5) toothpastes... 1
- Give two examples of each of the threatened species given below :(a) Endangered species(b) Rare species(c) Vulnerable species. Answer: (a) Endangered species: lion-tailed monkey (lion-tailed macaque) and lesser florican. (b) Rare species: red panda and musk deer. (c)... 1
- Which fuel is used in thermal power plant ? What are the problems associated with this type of power generation ? Coal is used as a fuel in thermal power plant. Coal contains Chemical energy. Upon burning coal releases heat energy. This heat energy is us... 2
- Answer the following questions based on environmental conservation and biodiversity :(a) Complete the flow chart :[Flow chart: a box labelled ‘Classification of threatened species’ with arrows going down to four empty boxes.] Answer: Classification of threatened species — (1) Endangered species, (2) Rare species, (3) Vulnerable species, (4) Indeterminate species.... 1
- Answer the following questions based on human male reproductive system :(a) In which organ sperms are formed ?(b) What is the length of a sperm ?(c) What is the work of vas deferens ?(d) By which type of cell division, sperms are formed ?(e) Name any… Answer: (a) Sperms are formed in the testes (in the seminiferous tubules). (b) A sperm is about 60 micrometres (0.06 mm) long; it has a head... 1
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See all →- Khara Nagarik 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 18 Khara Nagarik by...
- Disaster Management Class 10 Notes, Formulas, Questions | SSC Class 10 SSC Science Part 2 Disaster Management notes: types and effects of disasters, phases, management cycle, authorities, first aid, moc...
- Social Health Class 10 Notes, Formulas, Questions | SSC Class 10 SSC Science Part 2 Social Health notes: meaning, factors, mental stress, addiction, media overuse, cyber crime, IT Act 2000 and str...
- Cell Biology and Biotechnology Class 10 Notes, Questions | SSC Class 10 SSC Science Part 2 Cell Biology and Biotechnology notes: stem cells, organ donation, GM crops, vaccines, cloning, revolutions and o...
- Introduction to Microbiology Class 10 Notes, Questions | SSC Class 10 SSC Science Part 2 Microbiology notes: dairy products, bread, vinegar, enzymes, antibiotics, biofuels, pollution control and bioins...
- Animal Classification Class 10 Notes, Formulas, Questions | SSC Class 10 SSC Science Part 2 Animal Classification notes: history, new criteria, all phyla of Kingdom Animalia, chordate classes, and board q...