सभी अम्ल जल में घुलकर प्रदान करते है - A.OH¯ आयन B.H⁺ आयन C.इलेक्ट्रॉन D.न्यूट्रान
भस्मो का स्वाद होता है A.खारा B.खट्टा C.मीठा D.स्वाहीन
भस्मो के जलीय घोल में कौन-सा आयन होता है ? A.H+ B.H- C.OH- D.OH+
सभी लवण होते है A.वैद्यत अनपघट्य B.वैद्यत अपघट्य C.स्थाई अपघट्य D.उदासीन
पी एच (pH) का निर्धारण किसने किया A.लेवोजियर B.प्रिस्टले C.कैवेंडिश D.सौरेन्सन
शुद्ध जल में हाइड्रोजन आयन सांद्रण का मान होता है - A. 10 -7 B. 10 -5 C. 10 -10 D. 10 -14
अम्लीय घोल का पीएच(pH) मान होता है A.7 B.7 से कम C.7 से अधिक D.14
क्षार घोल का पीएच(pH) मान होता है A.7 से कम B.7 से अधिक C.0 D.7
उदासीन घोल का पीएच(pH) मान होता है A.7 से कम B.7 से अधिक C.7 D.14
The home of Gargi, Maitrey and Kapila was at A. Vidisha B. Ujjain C. Pataliputra D. Mithila
The National Chemical Laboratory is located in a) Mumbai b) Bengaluru c) Hyderabad d) Pune
The National school of Drama is situated in which of the following cities? a) Mumbai b) New Delhi c) Bhopal d) Kolkata
The first woman to climb mount Everest was a) Marie Jose perec b) Florence Griffith Joyner c) Junko Tabei d) Jackie Joyner Kersee
The Arjuna Awards were instituted in the year a)1965 b) 1963 c) 1961 d) 1975
Which one of the following countries is not a member of the OPEC? a) Algeria b) Indonesia c) Malaysia d) Nigeria
Who is the author of the book ‘ The Right of Man’? a) Thomas Hardy b) Thomas Mann c) Thomas Moore d) Thomas Paine
Which one of the following countries is not a member of ASEAN? a) Brunei Darussalam b) Cambodia c) Vietnam d) India
India first took part in the Olympic Games in the year a) 1920 b) 1928 c) 1972 d) 1974
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Evaluate :
∫2xcos(x2 – 5).dx
If the sum of 14 terms of an A. P is 1050 its first term is 10 find 20th term ?
Diagonals of a quadrilateral 30 cm long and the perpendicular drawn from the opposite vertices are 5.6 and 7.4 cm find the area of the quadrilateral.with steps ?
Find the sum of the integers between 10 and 30 including 10 and 30 which are not divisible by 3.
A cyclic quadrilateral pqrs are where PS equals to PQ and angle SPQ is 70 degree find angle psq