The logic followed here is: The second word indicates the country in which the corresponding one of the seven wonders of the world (indicated by the first word) is located Chichen Itza : Mexico = Chichen Itza is located in Mexico. Similarly, Machu Picchu : ? = Machu Picchu is located in Peru. Hence, the correct answer is (D).
Which element gives hardness to stainless steel?
What is the chemical name of baking soda?
Among petroleum refinery products, which has the lowest boiling point?
The conversion of hard water into soft water by boiling or adding calcium hydroxide is called:
Biofertilizers convert nitrogen to:
In the synthesis of aspirin (acetylsalicylic acid) from salicylic acid, which reagent is used?
What defines an ion?
Which gas is commonly used to artificially ripen green fruits?
_____ are a group of chemicals that influence cell division and shoot formation.
What is the chemical name for baking soda?
