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सूर्य' के पर्यायवाची 'दिनेश' और 'भास्कर' हैं। 'नक्षत्र' तारों के लिए प्रयुक्त होता है।
Which of the following method can be employed to test the Hardness of Water?
Which of the following pair of microorganisms is correct?
I. Spirogyra – Algae
II. Amoeba – Fungi
Which of the following is the product when CH₃CHO is reduced?
What would happen to the weight of a body in a lift moving upward with uniform speed?
Consider the reaction-
Copper sulphate solution (blue) + Iron → Iron sulphate soluton + Copper What is the colour of the iron sulphate solution?
Which of the following is a chemical change?
What is the role of enzymes in digestion?
Which of the following element has the highest melting point?
The force which opposes the relative motion between different layers of liquid or gases is called –
On the basis of which phenomenon does a Jet Engine work?