Why is pure gold (24 carat gold) not used for making jewelry, but instead alloyed with silver or copper to make jewelry?
Which of the following phenomenon is responsible for Mirage?
Brass is an alloy of which of following?
Which of the following is not true about the human eye?
If heat is added to a liquid which of the following occurs?
Which of the following instruments could be used to check if there is electric current flowing in the circuit?
Which of the following explains the high value of recycling Aluminum?
Which of the following statement is true for taste in food?
Which of the following could be the most effective solution of getting relief from a bee-sting?
You want to manufacture soaps both for bathing (soft soap) and washing clothes (hard soap)? Which of the statements below are true (there are 2 correct answers)?
Which of the following is not true when a glass rod is rubbed with a silk cloth?
If we add oil, water and sweet syrup in a bottle, liquid layers are formed, but they do not mix. What is the reason that they do not mix?
Which gas is filled in chips packets?
Which type of reaction is taking place below?
Fe (s) + CuSO4 (aq) → FeSO4 (aq) + Cu (s)
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