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CONC.p2TPE15

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CONC.p2TPE15
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15 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

LEGATURA MAI MARE CU TABELUL PERIODIC AL ELEMENTELOR , AU

SORENSEN; JOULE; FAHRENHEIT

PAULI; LEWIS; MENDELEEV

NEWTON; VOLTA; FARADAY;

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

LA REACTIA DE OBTINERE A OXIDULUI DE MAGNEZIU: 2 Mg + O 2 - > 2 MgO ;

CIFRA DIN FATA REACTANTULUI MAGNEZIU, REPREZINTA

COEFICIENTUL

VALENTA

INDICE

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

CONCENTRATIA CLORULUI IN AER . . . DE 0,06 % PROVOACA LEZIUNI MORTALE

MAI MARE

MAI MICA

EGALA CU

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

NUMARUL ELECTRONILOR DIN INVELISUL ELECTRONIC AL ATOMILOR

ESTE EGAL CU NUMARUL NEUTRONILOR

REPREZINTA NUMARUL DE ORDINE

SE NOTEAZA CU LITERA N

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

APA PURA,NEUTRA DIN PUCT DE VEDERE ACIDO BAZIC ARE pH

1

7

14

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

TREI GRAME PE ZI DE SARE NaCl, INSEAMNA :

NECESAR ZILNIC PENTRU ORGANISM

DOZA LETALA

CONCENTRATIA CLORULUI IN AER

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

C < N < O < F REPREZINTA ORDINEA

CRESTERE CARACTER NEMETALIC

CRESTERE CARACTER ATOMIC

CRESTERE CARACTER METALIC

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