306675 Statement A :
Pure water obtained from different sources such as river, well, spring etc., always contains hydrogen and oxygen combined in same ratio 1 : 8 by mass.
Statement B :
A chemical compound always contains elements combined together in same proportion by mass

306676 In compound A, 1.0 g nitrogen combines with 0.57 g oxygen. In compound B, 2.0 g nitrogen unite with 2.24 g oxygen and in compound C, 3.0 g nitrogen combine with 5.11 g oxygen. These results obey the law of:

306677 Two samples of lead oxide were separately reduced to metallic lead by heating in a current of hydrogen. The weight of lead from one oxide was half the weight of lead obtained from the other oxide. The data illustrates

306678 Two elements X (Z = 16) and Y (Z = 14) combine to form compounds A, B and C. The ratio of different masses of Y which combine with a fixed mass of X in A, B and C is 1 : 3 : 5. If 32 parts by mass of X combines with 84 parts by mass of Y in B, then in C, 16 parts by mass of X will combine with

306675 Statement A :
Pure water obtained from different sources such as river, well, spring etc., always contains hydrogen and oxygen combined in same ratio 1 : 8 by mass.
Statement B :
A chemical compound always contains elements combined together in same proportion by mass

306676 In compound A, 1.0 g nitrogen combines with 0.57 g oxygen. In compound B, 2.0 g nitrogen unite with 2.24 g oxygen and in compound C, 3.0 g nitrogen combine with 5.11 g oxygen. These results obey the law of:

306677 Two samples of lead oxide were separately reduced to metallic lead by heating in a current of hydrogen. The weight of lead from one oxide was half the weight of lead obtained from the other oxide. The data illustrates

306678 Two elements X (Z = 16) and Y (Z = 14) combine to form compounds A, B and C. The ratio of different masses of Y which combine with a fixed mass of X in A, B and C is 1 : 3 : 5. If 32 parts by mass of X combines with 84 parts by mass of Y in B, then in C, 16 parts by mass of X will combine with

306675 Statement A :
Pure water obtained from different sources such as river, well, spring etc., always contains hydrogen and oxygen combined in same ratio 1 : 8 by mass.
Statement B :
A chemical compound always contains elements combined together in same proportion by mass

306676 In compound A, 1.0 g nitrogen combines with 0.57 g oxygen. In compound B, 2.0 g nitrogen unite with 2.24 g oxygen and in compound C, 3.0 g nitrogen combine with 5.11 g oxygen. These results obey the law of:

306677 Two samples of lead oxide were separately reduced to metallic lead by heating in a current of hydrogen. The weight of lead from one oxide was half the weight of lead obtained from the other oxide. The data illustrates

306678 Two elements X (Z = 16) and Y (Z = 14) combine to form compounds A, B and C. The ratio of different masses of Y which combine with a fixed mass of X in A, B and C is 1 : 3 : 5. If 32 parts by mass of X combines with 84 parts by mass of Y in B, then in C, 16 parts by mass of X will combine with

306675 Statement A :
Pure water obtained from different sources such as river, well, spring etc., always contains hydrogen and oxygen combined in same ratio 1 : 8 by mass.
Statement B :
A chemical compound always contains elements combined together in same proportion by mass

306676 In compound A, 1.0 g nitrogen combines with 0.57 g oxygen. In compound B, 2.0 g nitrogen unite with 2.24 g oxygen and in compound C, 3.0 g nitrogen combine with 5.11 g oxygen. These results obey the law of:

306677 Two samples of lead oxide were separately reduced to metallic lead by heating in a current of hydrogen. The weight of lead from one oxide was half the weight of lead obtained from the other oxide. The data illustrates

306678 Two elements X (Z = 16) and Y (Z = 14) combine to form compounds A, B and C. The ratio of different masses of Y which combine with a fixed mass of X in A, B and C is 1 : 3 : 5. If 32 parts by mass of X combines with 84 parts by mass of Y in B, then in C, 16 parts by mass of X will combine with