1. The correct answer is (B) It is waterproof and lightweight. Plastic is widely used for making bottles because it is lightweight, durable and waterproof. It also resists corrosion and can be molded into various shapes, making it ideal for storing liquids. For more visit here: https://www.tiwariacademRead more

    The correct answer is (B) It is waterproof and lightweight.
    Plastic is widely used for making bottles because it is lightweight, durable and waterproof. It also resists corrosion and can be molded into various shapes, making it ideal for storing liquids.

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  2. The correct answer is (B) Paper. Paper is a non-lustrous material because it does not reflect light or have a shiny surface. In contrast, copper, aluminum and iron are metals with a natural luster, making them reflective and shiny. For more visit here: https://www.tiwariacademy.in/ncert-solutions/clRead more

    The correct answer is (B) Paper.
    Paper is a non-lustrous material because it does not reflect light or have a shiny surface. In contrast, copper, aluminum and iron are metals with a natural luster, making them reflective and shiny.

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  3. The correct answer is (C) Terracotta. Terracotta is baked clay, commonly used to make pottery, tiles and sculptures. It is durable, porous and has a reddish-brown color. Unlike glass, metal, or plastic, terracotta is made by firing clay at high temperatures. For more visit here: https://www.tiwariacRead more

    The correct answer is (C) Terracotta.

    Terracotta is baked clay, commonly used to make pottery, tiles and sculptures. It is durable, porous and has a reddish-brown color. Unlike glass, metal, or plastic, terracotta is made by firing clay at high temperatures.

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  4. The correct answer is (B) Glass. Transparent materials allow light to pass through clearly, enabling us to see objects on the other side. Glass is a common example, while wood, metal and cardboard are opaque and do not allow light to pass through. For more visit here: https://www.tiwariacademy.in/ncRead more

    The correct answer is (B) Glass.
    Transparent materials allow light to pass through clearly, enabling us to see objects on the other side. Glass is a common example, while wood, metal and cardboard are opaque and do not allow light to pass through.

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  5. The correct answer is (C) Properties of the material. The properties of a material, such as strength, flexibility, durability and conductivity, determine its suitability for making an object. While color and shape may be important for design, the material's properties are the primary factor in selecRead more

    The correct answer is (C) Properties of the material.
    The properties of a material, such as strength, flexibility, durability and conductivity, determine its suitability for making an object. While color and shape may be important for design, the material’s properties are the primary factor in selection.

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    https://www.tiwariacademy.in/ncert-solutions/class-6/science/

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