WebView Details. Request a review. Learn more Question 1. Which of the following can be beaten into thin sheets? (a) Zinc (b) Phosphorus (c) Sulphur (d) Oxygen Answer: (a) Zinc Question 2. Which of the following statements is correct? (a) All metals are ductile. (b) All non-metals are ductile. (c) Generally, metals are ductile. (d) Some non-metals are … See more Activity 1 (NCERT Textbook, Page 44) Take a small iron nail, a coal piece, a piece of thick aluminium wire and a pencil lead. Beat the iron nail with a hammer (Fig. 4.1). (But take … See more Question 1. Non-metals cannot be drawn into wires. Why ? [DAV2008] Answer: Non-metals are not ductile, therefore they cannot be drawn into … See more Question 1. 1. Identify the most reactive and least reactive metal amongst the followings : Al, K, Cu, Au. 2. An iron knife kept dipped in blue copper sulphate solution changes to light green. Why ? Write the equation … See more Question 1. White phosphorous has to be kept in water. Why ? [NCT2007] Answer: Phosphorus is to be kept in water to prevent its contact with air because it is highly reactive. Question 2. Can you store lemon pickle in an … See more
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WebOct 6, 2024 · Explanation: This activity is similar to the previous one Activity 4.3. Ther we used metal oxide (rust), here we are using non-metal oxide. Non-metal oxides are electron acceptor. They accept electrons from OH- … WebCBSE Class 8 Geography Extra Questions and Answers. Chapter 1 Resources. Chapter 2 Land, Soil, Water, Natural Vegetation and Wildlife Resources. Chapter 3 Mineral and Power Resources. Chapter 4 Agriculture. machine industrielle a pellet
CBSE Class 8 Science Important Questions 2024-23 - Vedantu
WebChapter 4 Summary. Two weeks pass. Dreenie arrives for another day of school. Ever the responsible one, she is the first one to get to class, just after the teacher Ms. Baker, and … WebAug 3, 2024 · NCERT Solutions for class 8 Science. Chapter 2: Microorganisms: Friend and Foe. Chapter 3: Synthetic Fibres and Plastics. Chapter 4: Materials: Metals and … WebWEF Manual of Practice No. 8 ASCE Manuals and Reports on Engineering Practice No. 76 Fifth Edition Prepared by the Design of Municipal Wastewater Treatment Plants Task … machine infernale date