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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
Sugar is a compound which consists of the elements
पर्याय
carbon and hydrogen
hydrogen and oxygen
carbon, hydrogen and oxygen
hydrogen, carbon and sulphur
उत्तर
carbon, hydrogen and oxygen
APPEARS IN
संबंधित प्रश्न
Name: an Inert Gas
Name: A form of carbon used as a gem
Elements are classified into – Metals – Non-metals – Metalloids – Noble gases. State which of A, B, C, D is a –
1. Metallic element
2. Non-metallic element
3. Metalloid
4. Noble gas.
A: Is non-malleable, non-ductile & a poor conductor of electricity ___________
B: Has lustre, is malleable and ductile & a good conductor of heat ___________
C: Is unreactive and inert and present in traces in the air _________
D: Shows properties of both metals and non-metals ___________
Give the name of the radical - CO3
Complete the statement with the correct words.
_______ are chemicals which are hydroxide (or oxides) of ______ eg. sodium hydroxide.
Write the names of elements from the following symbol:
Ti
State five different characteristics of compounds.
Oxygen is very essential for us to live. It forms 21% of air by volume. Is it an element or compound?
Matter is its simplest form is called ______.
______ is a mixture of gases.
