Found inside – Page 17OR What is the role of liver in the digestion process? ... State any four properties in which covalent compounds differ from ionic compounds. Found inside – Page 50Commonly Made Error Students do mistakes in counting the covalent bonds in the ... Oswaal CBSE Chapterwise & Topicwise Question Bank, SCIENCE, Class – 10. Found inside – Page 41What is meant by metallurgy ? ... Two properties of ionic compounds: (i) Ionic compounds are hard and brittle. (ii) Ionic compounds have high melting and ... Found inside – Page 12Non ionic solids are examples of this defect (iv) When there is an excess of metal ions in nonstoichiometric compounds, the crystal lattice has vacant anion ... Found inside – Page 99The examples when the active involvement of local people led to efficient ... Ionic compounds are formed by the complete gain or loss of electrons therefore ... Found inside – Page 67Acid + Base → Salt + Water Salts are ionic compounds which dissociate to yield a ... Example : The most familiar salt is sodium chloride , the principal ... Found inside – Page 5Methods of Preparation of Salts Drying and Dehydrating agents An ionic compound which dissociates in water to yield a positive ion other than hydrogen ( H + ) ... Found inside – Page 41What is meant by metallurgy ? ... Two properties of ionic compounds : (i) Ionic compounds are hard and brittle. (ii) Ionic compounds have high melting and ... Found inside – Page 512017 2018 2019 List of Concepts OD D OD/D OD D 1Q (2 M) Properties of metals and Non-metals, ionic compounds 1 Q (5M) Summative Assessment — I 1 Q (3M) ... Found inside – Page 51Properties of metals and non-metals; Reactivity series; Formation and properties of ionic compounds. ... Example of metals are Iron (Fe), Aluminium (Al). Found inside – Page 46Give an example of an ionic compound. 14. Draw the shapes of: (a) 2. Is sugar a covalent compound? BF3 (b) SF6 3. What is meant by octet? 4. Found inside – Page 20per KOH Classification of Base Property Types Definition Examples Strong Base ... Alkalies : A compound, which on dissolving in water furnishes OH– ions as ... Found inside – Page 40(a) 103 (c) 10–2 (e) 10–9 (b) 10–1 (d) 10–6 (f) 10–12 one Cl–(b) deci 0.99.g gof go ... (v) Examples : Ionic compounds are sodium chloride, 1.096 g Q. 37. Found inside – Page 512017 2018 2019 List of Concepts OD D OD/D OD D 1Q (2 M) Properties of metals and Non-metals, ionic compounds 1Q (5M) Summative Assessment — I 1 Q (3M) Basic ... Found inside – Page 21Explain this fact with suitable examples. R [Board Term-I Set (86), ... (i) Explain the formation of ionic compound CaO with electron dot structure. Found inside – Page 33Example : HCl Example : Cl2 Ans. Carbon tetrachloride (CCl4 ) is a covalent compound , O2 and do not have ions. (Any one or any other correct difference) 1 ... Found inside – Page S-15(a) AB (b) Ionic bond As A has only one electron in its valence shell thus will tend to loose it ... electron hence, they will form the ionic compound AB. Found inside – Page 90..H U | | V | | W water Hydrogen Hydronium Hydronium molecule ion ion ion (proton) Q.12. Taking sodium chloride as an example of an ionic compound and ... Found inside – Page 17OR What is the role of liver in the digestion process? ... State any four properties in which covalent compounds differ from ionic compounds. Found inside – Page 147C4H8 (Compound X) is an unsaturated compunds. Hence i.e. undergo addition reaction due to the presence of double bond. For example, 1-butene and 2-butene on ... Found inside – Page 95Give two examples of ionic compounds 5. The atomic number of chlorine is 17. What is the number of electrons in Cl– ? 6. Name two metals which are used for ... Found inside – Page 124What is the difference between displacement and double displacement reactions? Write equations for these ... Cl2 These reactions occur in ionic compounds. Found inside – Page 63Ionic compounds are madeup of electrically charged atoms or molecules as a result of gaining or losing electrons. Ions of opposite charges form ionic ... Found inside – Page 23... Metal oxide Example 1 : 2Cu (Copper) -→ 2CuO [Copper(II) oxide] Example 2 ... by strong electrostatic forces of attraction forming ionic compounds. Found inside – Page 566Sodium chloride ions in the solid state are held by the electrostatic force of ... Example: CH3 COOH which dissociates feebly into CH3COO- and H+ ions. Found inside – Page 6When there are more than one atom of an element in a compound their number is ... No. of atoms Prefix Examples Formula Examples Formula 1 Mono Carbon ... Found inside – Page 1-21.2 CBSE Class X Sample Papers (Science) Answer Q. No 17-20 contains five sub-parts ... Ionic compounds have oppositely charged ions held together by strong ... Found inside – Page 235For example, potassium ferrocyanide is a complex compound. ... Actually, these ions are present in the form of a new ion, called ferrocyanide ion which is a ... Found inside – Page 190The electrical conduction in these can be attributed to the presence of mobile ions . Conduction in electrovalent compounds The electrovalent compounds ... Found inside – Page 42(i) A strong acid in aqueous solution ionises to a large extent thereby producing a high concentration of hydrogen ions. For example, ions as well HCl, ... Found inside – Page 3-5Example: Magnesium displaces zinc from zinc sulphate solutionwhile zinc can't ... of ionic compounds are as follows: • Ionic compounds are formed by strong ... Found inside – Page 51Properties of metals and non-metals; Reactivity series; Formation and properties of ionic compounds. ... Example of metals are Iron (Fe), Aluminium (Al). Found inside – Page 41What is meant by metallurgy ? ... Two properties of ionic compounds : (i) Ionic compounds are hard and brittle. (ii) Ionic compounds have high melting and ... Found inside – Page 40(a) 103 (b) 10–1 (d) 10–6 (f) 10–12 (c) 10–2 (e) 10–9 Ans. (a) kilo (b) deci (c) ... (v) Examples : Ionic compounds are sodium chloride, calcium oxide etc. Found inside – Page 50Commonly Made Error Students do mistakes in counting the covalent bonds in the ... Oswaal CBSE Chapterwise & Topicwise Question Bank, SCIENCE, Class – 10. Found inside – Page 64Ionic compounds have high melting points. Give reasons. [NCERT] Ans. Ionic compounds consist of positive and negative ions which are held together strongly ... Found inside – Page 89For example, NO, NO2, ClO2 etc. IONIC OR ELECTROVALENT BOND Ionic bond is formed by complete transfer of one or more electrons from an electropositive atom ... Found inside – Page 79What are ionic or electrovalent compounds? Give an example of ionic compound. Explain with reason four properties of these compounds. [CBSE 2019 (31/3/1)] ... Found inside – Page 51Properties of metals and non-metals; Reactivity series; Formation and properties of ionic compounds. ... Example of metals are Iron (Fe), Aluminium (Al). Found inside – Page 69OR Give two examples of ionic compounds Name one non - metal which is liquid at room temperature . Directions : For question numbers 14 , 15 and 16 ... Found inside – Page 84What is a homologous series of carbon compounds? Give an example and list its three characteristics. Ans. A series of compounds in which the same functional ... Found inside – Page 114What are ionic or electrovalent compounds? Give an example of ionic compound. Explain with reason four properties of these compounds. [CBSE 2019] Ans. Ionic ... Found inside – Page 23... oxide Example 1: 2Cu (Copper) + O2 -→ 2CuO [Copper(II) oxide] Example 2: 4Al ... by strong electrostatic forces of attraction forming ionic compounds. Found inside – Page 166Acid + Base ® Salt+ Water Salts are ionic compounds which dissociate to yield ... For example calcium chloride and calcium sulphate belong to same family of ... Found inside – Page 51Properties of metals and non-metals; Reactivity series; Formation and properties of ionic compounds. ... Example of metals are Iron (Fe), Aluminium (Al). Found inside – Page 512017 2018 2019 List of Concepts OD D OD/D OD D 1Q (2 M) Properties of metals and Non-metals, ionic compounds 1Q (5M) Summative Assessment — I 1 Q (3M) Basic ... Found inside – Page 114What are ionic or electrovalent compounds? Give an example of ionic compound. Explain with reason four properties of these compounds. [CBSE 2019] Ans. Ionic ... Found inside – Page 50Commonly Made Error Students do mistakes in counting the covalent bonds in the ... Oswaal CBSE Chapterwise & Topicwise Question Bank, SCIENCE, Class – 10. Found inside – Page 3Hence, ionic compounds have high melting points. Q.10. ... 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