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प्रश्न
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 |
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उत्तर
| Group 'A' | Group 'B' |
| 1. Stainless steel | (e) Alloy |
| 2. Silver | (f) Metal |
| 3. Bhajani mixture for milling | (c) Mixture |
| 4. Salt | (b) compound |
| 5. Coal | (a) Non-metal |
| 6. Hydrogen | (d) Element |
संबंधित प्रश्न
Give two examples for the following: Metals
Give Two Examples for Each of the Following: Non-metals
Classify the following substances into elements and compounds
Mercury, sulphur, sugar, water, sand, gold, carbon, oxygen, alcohol, iron, marble, baking soda.
Give one use of the following substance:
Iron
Complete the statement – an element is a pure substance made up of ____________ atoms.
Complete the statement given below by filling in the blank with the correct word.
Element ______ has the symbol derived from its Latin name ‘Argentum’
Complete the statement given below by filling in the blanks with the correct words.
From the elements – He, Br, Pt, and O; the element which is metallic is ____, an inert element is ____, forms a triatomic molecule is ____, is liquid at room temperature is_ ___.
Select the correct answer from the choice given below.
The negatively charged particles in an atom
With reference to elements – define the term ‘molecule’. Give two examples each of a monoatomic, diatomic & polyatomic molecule.
Reason out
Elements are called semimetals.
