IMPORTANT QUESTIONS

1. Q221 Which of the following mixtures appears transparent?

   Medium View solution
2. Q222 The correct sequence of anaerobic respiration -

   • A) Glucose —> pyruvate —> lactic acid
   • B) glucose —> pyruvate —> carbon dioxide + ethanol
   • C) glucose —> pyruvate —> ADP —> lactic acid
   • D) glucose —> pyruvate —> carbon dioxide + ethanol + energy

   Easy View solution
3. Q223 Name the gas which is filled in packets of potato chips to prevent them from rancidity.

   Easy View solution
4. Q224 How can we prevent the threats of common lifestyle diseases like Obesity, Diabetes and Back Pain?

   Medium View solution
5. Q225 Across a period from left to right in the modern periodic table; electronegativity ____.

   Easy View solution
6. Q226 Flame cells are present in which of the following phylum?

   • a. Echinodermata
   • b. Arthropoda
   • c. Mollusca
   • d. Platyhelminthes

   Easy View solution
7. Q227 An object of mass 40 kg is moving with a velocity of 15 m/s. its kinetic energy will be:

   Easy View solution
8. Q228 Explain the following reaction that is the example of redox reaction as well as double displacement reaction CuO + H₂ —> Cu+H₂O

   Medium View solution
9. Q229 State and explain any six physical properties of metals.

   Hard View solution
10. Q230 What is a balanced chemical reaction? Give the Examples

    Medium View solution