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Easy Chemistry Class 10 Level 1

What is the chemical formula of water?

जल का रासायनिक सूत्र क्या है?

A. H2O / H2O B. CO2 / CO2 C. O2 / O2 D. NaCl / NaCl
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Easy General Knowledge Class 10 Level 1

When is National Science Day celebrated in India?

राष्ट्रीय विज्ञान दिवस कब मनाया जाता है?

A. 28 फरवरी / 28 February B. 5 जून / 5 June C. 12 जनवरी / 12 January D. 14 नवंबर / 14 November
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Easy Science Class 10 Level 1

What is the chemical formula of water?

पानी का रासायनिक सूत्र क्या है?

A. CO2 B. H2O C. O2 D. NaCl
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