Q. Which one of the following is the correct order of pH for the given substances?
1) Coffee < Lemon juice < Milk of magnesia < Blood
2) Milk of magnesia < Blood < Coffee < Lemon juice
3) Lemon juice < Blood < Coffee < Milk of magnesia
4) Lemon juice < Coffee < Blood < Milk of magnesia
Q. Which one of the following is not true for an anodizing process?
1) It makes aluminium corrosion resistant.
2) Metals like aluminium, titanium and magnesium can be anodized.
3) Clean aluminium article is the anode and oxygen gas is evolved at the cathode.
4) It is used in aircraft industry.
Q. Naphthalene burns with a yellow sooty flame. This is because -
1) carbon to hydrogen ratio is low
2) there is incomplete combustion
3) there is an excess supply of air
4) of the presence of impurities of nitrogen and sulfur
Q. Which of the following statements are true for the reaction of Fe2O3 with aluminium?
1. It is known as the 'thermite reaction'.
2. The heat evolved is used for welding purposes.
3. Aluminium metal acts as an oxidizing agent.
4. Molten Fe and Al are formed at the end of the reaction.
Select the correct answer using the code given below -
1) 1 and 2
2) 1 and 3
3) 2 and 4
4) 1 and 4
Q. Manav is planning to visit all UNESCO World Heritage Sites in Delhi. He will be visiting -
1) Red Fort, Qutab Minar, Jama Masjid
2) Red Fort, India Gate, Qutab Minar
3) Red Fort, Qutab Minar, Humayun Tomb
4) Red Fort, Humayun Tomb, India Gate
Q. What will be the correct sequence of cities on the bank of River Ganga if someone moves from west to east?
1) Prayagraj, Kanpur, Bhagalpur, Patna
2) Prayagraj, Kanpur, Patna, Bhagalpur
3) Kanpur, Prayagraj, Bhagalpur, Patna
4) Kanpur, Prayagraj, Patna, Bhagalpur
Q. Which one among the following States has the longest extension in the north-south direction?
1) Jharkhand
2) Telangana
3) Odisha
4) Chhattisgarh
Q. Three resistors of resistances 11Ω, 220Ω and 330Ω are connected in parallel. Their equivalent resistance is equal to?
1) 66Ω
2) 22Ω
3) 12Ω
4) 6Ω
Q. Consider the following statements and identify the actress -
She is a renowned film actress, director, and producer and an accomplished Indian classical dancer. She was conferred the Padma Shri in 1992 and served as the Head of the Central Board for Film Certification from 1998 to 2001. In recognition of her exemplary lifetime contribution to Indian Cinema, she was honoured with the prestigious Dadasaheb Phalke Award.
1) Vyjayanthimala
2) Waheeda Rehman
3) Mala Sinha
4) Asha Parekh
Q. Which one of the following is the venue of the UN 2023 Water Conference?
1) Washington, DC
2) New York
3) San Diego
4) New Delhi
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