CBSE Class 10 Chemistry Practical Worksheet Set B
Experiment No: ……5…… Objective: To study two physical and two chemical properties of acetic acid. Requirements: Test tubes, Glass tubes (or dropper), Glacial acetic acid, ethanol, con. H2SO4, saturated solution of NaHCO3, lime water, etc. Concepts:…
CBSE Class 10 Chemistry Practical Worksheet Set A
To study Saponification recation for the preparation of Soap Experiment No: 6 Objective: To study Saponification reaction for the preparation of Soap. Requirements: Sodium hydroxide, vegetable oil, ethanol, common salt, distilled water, beakers,…
CBSE Class 10 Chemistry Periodic Classification of Elements Worksheet Set H
Multiple Choice Questions Choose the correct answer from the given options. Question. Which of the following statement(s) about the Modern Periodic Table are incorrect? (i) The elements in the Modern Periodic Table are arranged on the basis of their…
CBSE Class 10 Chemistry Periodic Classification of Elements Worksheet Set G
PERIODIC CLASSIFICATION OF ELEMENTS Very Short Answer type Questions Question. Write the number of vertical columns in the modern periodic table. What are these columns called? Answer : There are 18 vertical columns in the modern periodic table. These vertical columns…
CBSE Class 10 Chemistry Periodic Classification of Elements Worksheet Set F
PERIODIC CLASSIFICATION OF ELEMENTS In the beginning of 18th century Joseph Louis Proust stated that hydrogen atom is the building material and atoms of all other elements are simply due to the combination of number of hydrogen atoms. (It is to be noted that at his time the…
CBSE Class 10 Chemistry Periodic Classification of Elements Worksheet Set E
Assertion and Reasoning Based Questions Directions : In the following questions, a statement of assertion is followed by a statement of reason. Mark the correct choice as : (a) If both assertion and reason are true and reason is the correct explanation of assertion. (b) If…
CBSE Class 10 Chemistry Periodic Classification of Elements Worksheet Set D
PERIODIC CLASSIFICATION OF ELEMENTS Question. Fill in the blanks (a) The elements are arranged in such a way that.............. are on left side of zig-zag line and .............. on the right side. (b) In the Mendeleev’s periodic table, properties of elements are periodic…
CBSE Class 10 Chemistry Metals And Non Metals Worksheet Set L
METALS & NONMETALS Physical properties of metals and non-metals: Exceptions in Physical Properties 1. Graphite, a non-metal, is a good conductor of electricity. 2. Iodine is a lustrous non-metal. 3. Diamond, an allotrope of carbon, which is a non-metal is…
CBSE Class 10 Chemistry Metals And Non Metals Worksheet Set K
Metals & Non-metals Multiple Choice questions 1. The poorest conductor of heat among metals is (a) Lead (b) Mercury (c) Calcium (d) Sodium 2. Al2O3 + 2NaOH → …… + H2O (a) Al (OH)3 (b) Na2O (c) NaAlO2 (d) AlNaO2 3. Which of the following pairs…
CBSE Class 10 Chemistry Metals And Non Metals Worksheet Set J
METALS AND NONMETALS 1 Which of the following metal has highest melting point? (a)Copper (b) Silver (c) Sodium (iv) Tungsten 2 Galvanisation is a method of…
CBSE Class 10 Chemistry Metals And Non Metals Worksheet Set I
METALS AND NON METALS 1 MARK QUESTIONS : 1. Name the following: (1 Mark each) i) The most abundant metal in the earth crust. ii) The only non-metallic element which exists as a liquid. iii) The process by which a metallic oxide ore changes into metal. iv)…
CBSE Class 10 Chemistry Metals And Non Metals Worksheet Set I
METALS AND NON METALS 1 MARK QUESTIONS : 1. Name the following: (1 Mark each) i) The most abundant metal in the earth crust. ii) The only non-metallic element which exists as a liquid. iii) The process by which a metallic oxide ore changes into metal. iv)…
CBSE Class 10 Chemistry Metals And Non Metals Worksheet Set H
CHAPTER : ACIDS, BASED AND SALTS 1 MARK QUESTIONS 1. Curd is not kept in copper and brass vessels. Why? (AI 2009 C) 2.Pick up acids, bases and salts from the list given below. HCl, NaCl, KOH, Ca(OH)2, H2CO3, H3PO4, NH4OH, CuSO4, Na2CO3 3. P & Q are aqueous…
CBSE Class 10 Chemistry Metals And Non Metals Worksheet Set G
METALS AND NON-METALS I. 1 mark Questions. 1.. Name two elements that are stored in kerosene. 2. What will happen when a strip of copper is kept immersed in a solution of silver nitrate? 3. State any two ways to prevent the rusting of iron. 4. What type of oxides are…
CBSE Class 10 Chemistry Metals And Non Metals Worksheet Set F
METALS AND NON-METALS Question. Copper becomes green when exposed to moist air for a long period of time due to the (a) formation of a layer of cupric oxide on the surface of copper. (b) formation of a layer of basic carbonate on the surface of copper. (c)…