Which of the following are exothermic processes? निम्नलिखित में से कौन-सी ऊष्माक्षेपी प्रक्रियाएँ हैं? i. Evaporation of water/पानी का वाष्पीकरण। ii. Dilution of an acid (H₂S₄) सल्फ्यूरिक अम्ल (H₂SO₄) का तनुकरण। iii. Reacion of water with quick lime. बिना बूझे चूने के साथ पानी की प्रतिक्रिया iv. Sublimation of camphor (crystals) कपूर (क्रिस्टल) का उर्ध्वापातन।
ग्रेविमेट्री विश्लेषणात्मक तकनीक क्या है?
Which among the following is NOT a Bogue's compound present in cement?
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In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank. The Panchatantra is a legendary collection of short stories from India. (1)______ composed in the 2nd century BC, Panchatantra is (2)______ to be written by Vishnu Sharma (3)______ with many other scholars. The purpose behind the composition (4)______ to implant moral values and governing (5)______ in the young sons of the king.Select the most appropriate option to fill in blank number 3.
तद्भव और इसके तत्सम का कौन-सा मेल गलत है?
अन्नदानात्परं दानं विद्यादानमत: परम् अन्नेन क्षणिका तृप्ति: यावज्जीवं च विद्यया ।। 1 ।। पुस्तकस्था तु या विद्या परहस्तगतं धनम्। कार्यकाले समुत्पन्ने न सा विद्या न तद्धनम् ।। 2 ।। अधमा धनमिच्छन्ति धनमानौ च मध्यमा:। उत्तमा मानमिच्छन्ति मानो हि महतां धनम् ।। 3 ।। साक्षरं पुरुषं दृष्ट्वा यो नरो नाभिमन्यते। बलीवर्दसमो लोके खुरशृंगविवर्जित: ।। 4 ।। वृथावृष्टि: समुद्रेषु वृथा तृप्तस्य भोजनम्। वृथा दानं समर्थस्य वृथा दीपो दिवापि च ।। 5 ।। यस्मिन् देशे न सम्मानो न प्रीतिर्न च बान्धवा:। न च विद्यागम: कश्चित् न तत्र दिवसं वसेत् ।। 6।। 1. ‘सागरेषु’ इति पदस्य पर्यायपदं श्लोके प्रयुक्तम् । तच्चित्वा लिखत-
When the sound passes through the air, the particles of air-
The commutator of a DC generator acts as _____. DC जनरेटर का कम्यूटेटर .......... के रूप में कार्य करता है–
Explanations:
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