A farmer has 10 cows. All cows died except four. How many cows are left? (A)4 (B) 5 (C) 6 D) None of these

विश्व की पहली पेपर मिल सन् 1390 में जर्मनी के नूर्नबर्ग शहर में स्थापित की गई थी।

व्याख्या :

कागज के आविष्कार का इतिहास काफी पुराना है और इसका आविष्कार चीन में हुआ माना जाता है। चीन से कागज का आविष्कार हो कर दिए धीरे यूरोप तक पहुंचा। यूरोप में पहली पेपर स्थायी पेपर मिल की स्थापना 1390 में चौदहवीं शताब्दी में जर्मनी के नूर्नबर्ग शहर में की गई। भारत में पहली पेपर मिल की स्थापना श्रीरामपुर में 19 वीं शताब्दी में श्रीरामपुर में की गई थी।

Ni(OH)2+Cd(OH)2→Ni+Cd+2H2O.

Yes, your answers helps me ✨

Answer:

Cd+NiO2+2OH --->Ni+Cd(OH)2

Explanation:

The Negative Electrode Is Made Up Of Cadmium Metal While The Cathode i.e..,The Positive Electrode Is Made Up Of Nickel Oxide Hydroxide.

When A Nickel Cadmium Battery Is Recharged,The Reaction Goes From Right To Left.

The Alkaline Electrolyte Used In The Battery Is Not Comsumed In The Reaction....

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Answer:

The total in situ reserves of iron ore in the country are about 12,317.3 million tonnes of haematite and 5395.2 million tonnes of magnetite. Haematite resources are located in Orissa, Jharkhand, Chhattisgarh, Karnataka, Goa, Maharashtra, Andhra Pradesh and Rajasthan.

Orissa produces over 22 per cent iron ore of India. The most important deposits occur in Sundargarh, Mayurbhanj, Cuttack, Sambalpur, Keonjhar and Koraput districts. India's richest haematite deposits are located in Barabil-Koira valley where 100 deposits are spread over 53 sq km..

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Explanation:

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