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Tag Archives: CBSE Class 10 NCERT Solutions

Minerals and Energy Resources: 10 SST

Rocks and Minerals

Question: Give three examples of metallic and three examples of non-metallic minerals. Answer: Metallic Minerals are – Iron-ore, Copper, Manganese, Nickel. Non-Metallic Minerals – Limestone, Dolomite, Mica. Question: Name four important iron ore-producing states of India. Answer: The four iron-ore producing states are: Chhattisgarh Jharkhand Odisha Karnataka Question: Name four …

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Nationalist Movement in Indo-China: 10 SST

भारत-चीन सम्बन्ध

Question: When was French Indo-China established? Answer: 1887 Question: When did Vietnam get its Freedom? Answer: 1945 Question: Mention any two steps which were taken by the French government to improve transportation in Vietnam. Answer: Trans Indo-China rail network was started linking northern and southern parts of Vietnam. A railway …

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Electricity: 10th CBSE Science Physics


Question: Mention one reason why tungsten is used for making filament of electric lamp. Answer: It has low resistivity and high melting point. Question: Calculate the number of electrons constituting one coulomb of change. (Charge one electron = 1.6 × 10-19C) Answer: Number of electron = 1C/1.6 × 10-19C = 0.625 × 1019 = 6.25 × 10-18 …

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