Doubtly
@Doubtly · Joined Feb 2021
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- Write a letter to the Editor, The City Times, complaining about the frequent failure of electricity in your city. 207, malhar rajaji path , Dombivali 16^th oct, 2021 To The Editor Lokmat Thane Subject : complaining about the frequent failure of electrici... 2
- Write a letter to your friend minu/mohit making him/ her aware of the importance of sports in ones life 225, Veerchakra Colony. Kolhapur-416 002. 9 March, 2021. Dear Minu, Hil How are you? Now that the all-important Std. X exams are over, what... 1
- How to memorize CBSE Class 10 Maths formulas? Memorizing mathematical formulas can be challenging, but there are some strategies you can use to make the process easier. Here are some tip... 1
- What causes the existance of very large number of carbon compound ? Organic compounds mean carbon compounds. Carbon is unique element in the periodic table. It has 4 valence electrons. That means each individ... 1
- Identify the type of the following reaction of carbon compounds. a. CH₃-CH₂-CH₂-OH → CH₃ -CH₂ -COOH = Oxidation reaction(acidic KMnO₄) b. CH₃ -CH₂ -CH₃ → 3CO₂ + 4H₂O = Combusion reaction c. CH₃ -CH = CH -C... 1
- Write the IUPAC names of the following structural formulae a. CH₃-CH₂-CH₂-CH₃ Answer The number of items in the longest chain :4 Parent Alkane :Butane IUPAC Name :nButane b. CH₃-CHOH-CH₃ Answer The n... 1
- Oxidant Explain the following terms with example Oxidant: The substance which gives oxygen for oxidation is called an oxidising agent or oxidant. The substance which removes hydrogen is cal... 1
- Reduction Explain the following terms with example Reduction: The addition of hydrogen to a substance is called reduction. The removal of oxygen from a substance is called reduction. For exam... 1
- Monomer Explain the following terms with example Monomer: A monomer is a molecule that forms the basic unit for polymers. They may be considered as building blocks from which proteins are m... 1
- Homopolymer Explain the following terms with example Homopolymer: A homopolymer is a polymer formed from same type of monomer units. For examples: Polyvinylchloride (PVC), Polyethylene(-CH2- CH... 1
- Unsaturated hydrocarbon Explain the following terms with example Unsaturated hydrocarbon: An unsaturated hydrocarbon is a hydrocarbon containing at least one double or triple bond. They are chemically more... 1
- Alkane Explain the following terms with example Alkane: Alkane is a saturated hydrocarbon. It is formed, when there is sharing of one electron pair between carbon atoms in a compound. The... 1
- Functional group Explain the following terms with example The compound acquire specific chemical properties due to these hetero atoms or the groups of atoms that contain hetero atoms, irrespective o... 1
- Hetero atom in a carbon compound Hetero atom in a carbon compound: It is a compound formed by replacement of carbon and hydrogen by hetero atom in a compound. A hetero atom... 1
- Explain the following terms with example Covalent bond The chemical bond formed by sharing of two valence electron between the two atoms is called covalent bond. It is also known as molecular bon... 1
- Explain the following terms with example. Structural isomerism The phenomenon in which compounds having different structural formulae have the same molecular formula is called structural isomerism. Butan... 1
- Draw all possible structural formulae of compounds from their molecular formula given below. (i) C3H8 Propane (ii) C4H10 Butane (iii) C3H4 propyne 2
- Draw an electron dot structure of the following molecules. (Without showing the circles) a. Methane b. Ethene, c. Methanol d. Water 1