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CTET Solved Paper MCQ - CTET September 2016 Paper2

71 Match the following metals and non-metals with their uses.

Metals and Non-metals	Their Uses
A. Iodine	(i) Water purification
B. Mercury	(ii) On wounds
C. Aluminium	(iii) Thermometers
D. Chlorine	(iv) Food packaging

(A) (B) (C) (D)

Iodine is used to treat the wounds. Mercury is filled in thermometer to check temperature. Aluminium is a food packaging material and chlorine is required in water purification.

72 Select the true statement from the following.

Both Bakelite and Metamine are the example of thermosetting polymers. due to extensive cross-linking, these polymers have strongest intermolecular forces and arc brittle as cross-linking reduces to mobility of polymer chain.

73 In the above demonstrated activity, which substance is formed when sulphur dioxide is dissolved in water?

When sulphur dioxide gas is dissolves in water, it form sulphurous acid.
⇒ S0₂ + H₂0 → H₂S0₃

74 Which process skills can be promoted through the above activity?

The given activity promotes observation, classification and different skills.

75 A Science teacher asks her students to put two drops each of oil and sugar solution on a flat surface. She then asks them to tilt the surface and observe the order in which the drops reach the bottom. Which property of the liquids is the teacher trying to bring to-the student's attention through this activity?

Viscosity is an important fluid property when analysing fluid motion. It is a measure of its resistance to flow. So the liquid which reaches the bottom earlier has less viscosity.

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Question:

लेखक ने शिक्षा के सन्दर्भ में किस बात को महत्व दिया है?

A. शिक्षा को
B. विवेक को
C. बाजार को
D. साधना को

Correct answer: A

Explanation:

लेखक ने शिक्षा के सन्दर्भ में दो रस्ते बताए हैं- एक रास्ता चकाचौंध का जबकि दूसरा साधना का मार्ग| दूसरा मार्ग हमें शान्ति, सन्तोष तथा विवेक दे सकता…

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