The electronic configuration of three elements X, Y and Z are as follows:
X = 2, 4, Y = 2, 7, Z = 2,1 Which two elements will combine to form an ionic compound and write the correct formula
X = 2, 4, Y = 2, 7, Z = 2,1 Which two elements will combine to form an ionic compound and write the correct formula
Anonymous Quiz
20%
Yx
47%
Yz
24%
Xy
9%
Zx
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Which of the following non-metal is lustrous?
Anonymous Quiz
30%
Sulphur
23%
Oxygen
14%
Nitrogen
33%
Iodine
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The atomic number of an element ‘X’ is 12. Which inert gas is nearest to X?
Anonymous Quiz
21%
He
32%
Ar
36%
Ne
11%
K
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An element X is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identify the element from the following
Anonymous Quiz
21%
Mg
58%
Na
14%
P
8%
Ca
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Follow me on Twitter - https://twitter.com/shub_jhaa
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The embryo in humans gets nutrition from the mother’s blood with the help of a special tissue called
Anonymous Quiz
58%
Placenta
14%
Villi
19%
Uterus
9%
Womb
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is a duct coming from the urinary bladder which carries sperms
Anonymous Quiz
56%
Vas defrence
26%
Fallopian tube
16%
Uterus
3%
Nerve
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is the term used to refer to the commencement of menstruation at puberty.
Anonymous Quiz
40%
Menearch
48%
Monpuse
12%
Tube
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The part of the flower which is present in the centre of the flower is
Anonymous Quiz
20%
Sepal
17%
Petal
30%
Carpel
33%
Stamens
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Reaction in which an element displaces another element from its compound is called ………….
Anonymous Quiz
81%
Displacement
9%
Conservation
6%
Redox
4%
Oxidation
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Reactions in which energy is given out are known as ………….
Anonymous Quiz
81%
Exothermic
19%
Endothermic
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