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प्रश्न
Give one use of the following substance:
Iron
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उत्तर
Iron : To make machines tools and building material.
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संबंधित प्रश्न
Give one example for the following types of mixtures :
misicible liquids
Give Two Examples for Each of the Following: Non-metals
State the number of atoms of H2SO4
Tick (√) the correct alternative from the choice given for the following statement.
Brass and bronze are
Complete the statement – an element is a pure substance made up of ____________ atoms.
Who are my companions?
| Group 'A' | Group 'B' |
| 1. Stainless steel | (a) Non-metal |
| 2. Silver | (b) compound |
| 3. Bhajani mixture for milling | (c) Mixture |
| 4. Salt | (d) Element |
| 5. Coal | (e) Alloy |
| 6. Hydrogen | (f) Metal |
Write an answer to the following question in your own words.
Which elements (metals and non-metals), compounds and mixtures do we use in our day-to-day life?
Give a reason for the following statement :
Brass & bronze are examples of mixtures, while copper sulphate & lead nitrate are examples of compounds.
Classify the substances given in Fig. 2.2 into elements and compounds
What is the Latin name of Sodium?
