धातुओं में ऊष्मा का सबसे कुचालक है (a) सीसा (b) पारा (c) कैल्शियम (d) डियम Ans. a

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Q. भूपर्पटी में सबसे प्रचुर धातु है (a) लोहा (b) एल्यूमिनियम (c) कैल्शियम (d) सोडियम Ans- b

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Q. उभयधर्मी ऑक्साइड का उदाहरण है: (a) Na20 (b) K20 (C) Al203 (d) MgO Ans- c

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CTET Exam 2022

[{"selector":"#anim-0907db42-62fb-4908-ac08-94f130e9b170","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-54ba3224-e947-4533-9246-dc60d121d4e0","keyframes":{"transform":["translate3d(0px, -240.08547%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] गैल्वनाइजेशन लोहे को रुडफटंग से बचाने की एक विधि है, जिस पर की एक पतली परत का लेप लगाया जाता है (a) Galium (b) Aluminium (c) Zinc (d) Silver Ans- c Arrow

निम्नलिखित में से कौन-सी चमकदार है? (a) Sulphur (b) Oxygen (c) Nitrogen (d) lodine Ans- d

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Read MORE MCQ's Click HERE

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